2005098320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{2819}}^1$

素因数の和:3372

約数の個数: 80

約数和(自身を含む): 4947272640

約数和(自身を除く): 2942174320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 523, 680, 1046, 1360, 2092, 2615, 2819, 4184, 5230, 5638, 8368, 8891, 10460, 11276, 14095, 17782, 20920, 22552, 28190, 35564, 41840, 44455, 45104, 47923, 56380, 71128, 88910, 95846, 112760, 142256, 177820, 191692, 225520, 239615, 355640, 383384, 479230, 711280, 766768, 958460, 1474337, 1916920, 2948674, 3833840, 5897348, 7371685, 11794696, 14743370, 23589392, 25063729, 29486740, 50127458, 58973480, 100254916, 117946960, 125318645, 200509832, 250637290, 401019664, 501274580, 1002549160, 2005098320]

約数ペア:

[(1, 2005098320), (2, 1002549160), (4, 501274580), (5, 401019664), (8, 250637290), (10, 200509832), (16, 125318645), (17, 117946960), (20, 100254916), (34, 58973480), (40, 50127458), (68, 29486740), (80, 25063729), (85, 23589392), (136, 14743370), (170, 11794696), (272, 7371685), (340, 5897348), (523, 3833840), (680, 2948674), (1046, 1916920), (1360, 1474337), (2092, 958460), (2615, 766768), (2819, 711280), (4184, 479230), (5230, 383384), (5638, 355640), (8368, 239615), (8891, 225520), (10460, 191692), (11276, 177820), (14095, 142256), (17782, 112760), (20920, 95846), (22552, 88910), (28190, 71128), (35564, 56380), (41840, 47923), (44455, 45104)]