28273600

素因数分解:

$2^6\times 5^2\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:494

約数の個数: 84

約数和(自身を含む): 71432928

約数和(自身を除く): 43159328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 160, 164, 200, 205, 320, 328, 400, 410, 431, 656, 800, 820, 862, 1025, 1312, 1600, 1640, 1724, 2050, 2155, 2624, 3280, 3448, 4100, 4310, 6560, 6896, 8200, 8620, 10775, 13120, 13792, 16400, 17240, 17671, 21550, 27584, 32800, 34480, 35342, 43100, 65600, 68960, 70684, 86200, 88355, 137920, 141368, 172400, 176710, 282736, 344800, 353420, 441775, 565472, 689600, 706840, 883550, 1130944, 1413680, 1767100, 2827360, 3534200, 5654720, 7068400, 14136800, 28273600]

約数ペア:

[(1, 28273600), (2, 14136800), (4, 7068400), (5, 5654720), (8, 3534200), (10, 2827360), (16, 1767100), (20, 1413680), (25, 1130944), (32, 883550), (40, 706840), (41, 689600), (50, 565472), (64, 441775), (80, 353420), (82, 344800), (100, 282736), (160, 176710), (164, 172400), (200, 141368), (205, 137920), (320, 88355), (328, 86200), (400, 70684), (410, 68960), (431, 65600), (656, 43100), (800, 35342), (820, 34480), (862, 32800), (1025, 27584), (1312, 21550), (1600, 17671), (1640, 17240), (1724, 16400), (2050, 13792), (2155, 13120), (2624, 10775), (3280, 8620), (3448, 8200), (4100, 6896), (4310, 6560)]