20130040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4229}}^1$

素因数の和:4264

約数の個数: 64

約数和(自身を含む): 54820800

約数和(自身を除く): 34690760

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, 2380, 4229, 4760, 8458, 16916, 21145, 29603, 33832, 42290, 59206, 71893, 84580, 118412, 143786, 148015, 169160, 236824, 287572, 296030, 359465, 503251, 575144, 592060, 718930, 1006502, 1184120, 1437860, 2013004, 2516255, 2875720, 4026008, 5032510, 10065020, 20130040]

約数ペア:

[(1, 20130040), (2, 10065020), (4, 5032510), (5, 4026008), (7, 2875720), (8, 2516255), (10, 2013004), (14, 1437860), (17, 1184120), (20, 1006502), (28, 718930), (34, 592060), (35, 575144), (40, 503251), (56, 359465), (68, 296030), (70, 287572), (85, 236824), (119, 169160), (136, 148015), (140, 143786), (170, 118412), (238, 84580), (280, 71893), (340, 59206), (476, 42290), (595, 33832), (680, 29603), (952, 21145), (1190, 16916), (2380, 8458), (4229, 4760)]