2040852400

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{71861}}^1$

素因数の和:71950

約数の個数: 60

約数和(自身を含む): 4972275504

約数和(自身を除く): 2931423104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 355, 400, 568, 710, 1136, 1420, 1775, 2840, 3550, 5680, 7100, 14200, 28400, 71861, 143722, 287444, 359305, 574888, 718610, 1149776, 1437220, 1796525, 2874440, 3593050, 5102131, 5748880, 7186100, 10204262, 14372200, 20408524, 25510655, 28744400, 40817048, 51021310, 81634096, 102042620, 127553275, 204085240, 255106550, 408170480, 510213100, 1020426200, 2040852400]

約数ペア:

[(1, 2040852400), (2, 1020426200), (4, 510213100), (5, 408170480), (8, 255106550), (10, 204085240), (16, 127553275), (20, 102042620), (25, 81634096), (40, 51021310), (50, 40817048), (71, 28744400), (80, 25510655), (100, 20408524), (142, 14372200), (200, 10204262), (284, 7186100), (355, 5748880), (400, 5102131), (568, 3593050), (710, 2874440), (1136, 1796525), (1420, 1437220), (1775, 1149776), (2840, 718610), (3550, 574888), (5680, 359305), (7100, 287444), (14200, 143722), (28400, 71861)]