20081777500

素因数分解:

$2^2\times 5^4\times {\mathrm{271}}^1\times {\mathrm{29641}}^1$

素因数の和:29936

約数の個数: 60

約数和(自身を含む): 44078365408

約数和(自身を除く): 23996587908

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 271, 500, 542, 625, 1084, 1250, 1355, 2500, 2710, 5420, 6775, 13550, 27100, 29641, 33875, 59282, 67750, 118564, 135500, 148205, 169375, 296410, 338750, 592820, 677500, 741025, 1482050, 2964100, 3705125, 7410250, 8032711, 14820500, 16065422, 18525625, 32130844, 37051250, 40163555, 74102500, 80327110, 160654220, 200817775, 401635550, 803271100, 1004088875, 2008177750, 4016355500, 5020444375, 10040888750, 20081777500]

約数ペア:

[(1, 20081777500), (2, 10040888750), (4, 5020444375), (5, 4016355500), (10, 2008177750), (20, 1004088875), (25, 803271100), (50, 401635550), (100, 200817775), (125, 160654220), (250, 80327110), (271, 74102500), (500, 40163555), (542, 37051250), (625, 32130844), (1084, 18525625), (1250, 16065422), (1355, 14820500), (2500, 8032711), (2710, 7410250), (5420, 3705125), (6775, 2964100), (13550, 1482050), (27100, 741025), (29641, 677500), (33875, 592820), (59282, 338750), (67750, 296410), (118564, 169375), (135500, 148205)]