20130939640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1621}}^1\times {\mathrm{2609}}^1$

素因数の和:4265

約数の個数: 128

約数和(自身を含む): 54865123200

約数和(自身を除く): 34734183560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 1621, 2380, 2609, 3242, 4760, 5218, 6484, 8105, 10436, 11347, 12968, 13045, 16210, 18263, 20872, 22694, 26090, 27557, 32420, 36526, 44353, 45388, 52180, 55114, 56735, 64840, 73052, 88706, 90776, 91315, 104360, 110228, 113470, 137785, 146104, 177412, 182630, 192899, 220456, 221765, 226940, 275570, 310471, 354824, 365260, 385798, 443530, 453880, 551140, 620942, 730520, 771596, 887060, 964495, 1102280, 1241884, 1543192, 1552355, 1774120, 1928990, 2483768, 3104710, 3857980, 4229189, 6209420, 7715960, 8458378, 12418840, 16916756, 21145945, 29604323, 33833512, 42291890, 59208646, 71896213, 84583780, 118417292, 143792426, 148021615, 169167560, 236834584, 287584852, 296043230, 359481065, 503273491, 575169704, 592086460, 718962130, 1006546982, 1184172920, 1437924260, 2013093964, 2516367455, 2875848520, 4026187928, 5032734910, 10065469820, 20130939640]

約数ペア:

[(1, 20130939640), (2, 10065469820), (4, 5032734910), (5, 4026187928), (7, 2875848520), (8, 2516367455), (10, 2013093964), (14, 1437924260), (17, 1184172920), (20, 1006546982), (28, 718962130), (34, 592086460), (35, 575169704), (40, 503273491), (56, 359481065), (68, 296043230), (70, 287584852), (85, 236834584), (119, 169167560), (136, 148021615), (140, 143792426), (170, 118417292), (238, 84583780), (280, 71896213), (340, 59208646), (476, 42291890), (595, 33833512), (680, 29604323), (952, 21145945), (1190, 16916756), (1621, 12418840), (2380, 8458378), (2609, 7715960), (3242, 6209420), (4760, 4229189), (5218, 3857980), (6484, 3104710), (8105, 2483768), (10436, 1928990), (11347, 1774120), (12968, 1552355), (13045, 1543192), (16210, 1241884), (18263, 1102280), (20872, 964495), (22694, 887060), (26090, 771596), (27557, 730520), (32420, 620942), (36526, 551140), (44353, 453880), (45388, 443530), (52180, 385798), (55114, 365260), (56735, 354824), (64840, 310471), (73052, 275570), (88706, 226940), (90776, 221765), (91315, 220456), (104360, 192899), (110228, 182630), (113470, 177412), (137785, 146104)]