25136800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2417}}^1$

素因数の和:2450

約数の個数: 72

約数和(自身を含む): 66112956

約数和(自身を除く): 40976156

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2417, 2600, 4834, 5200, 9668, 10400, 12085, 19336, 24170, 31421, 38672, 48340, 60425, 62842, 77344, 96680, 120850, 125684, 157105, 193360, 241700, 251368, 314210, 386720, 483400, 502736, 628420, 785525, 966800, 1005472, 1256840, 1571050, 1933600, 2513680, 3142100, 5027360, 6284200, 12568400, 25136800]

約数ペア:

[(1, 25136800), (2, 12568400), (4, 6284200), (5, 5027360), (8, 3142100), (10, 2513680), (13, 1933600), (16, 1571050), (20, 1256840), (25, 1005472), (26, 966800), (32, 785525), (40, 628420), (50, 502736), (52, 483400), (65, 386720), (80, 314210), (100, 251368), (104, 241700), (130, 193360), (160, 157105), (200, 125684), (208, 120850), (260, 96680), (325, 77344), (400, 62842), (416, 60425), (520, 48340), (650, 38672), (800, 31421), (1040, 24170), (1300, 19336), (2080, 12085), (2417, 10400), (2600, 9668), (4834, 5200)]