25484260

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 55036800

約数和(自身を除く): 29552540

約数列:

[1, 2, 4, 5, 10, 20, 89, 103, 139, 178, 206, 278, 356, 412, 445, 515, 556, 695, 890, 1030, 1390, 1780, 2060, 2780, 9167, 12371, 14317, 18334, 24742, 28634, 36668, 45835, 49484, 57268, 61855, 71585, 91670, 123710, 143170, 183340, 247420, 286340, 1274213, 2548426, 5096852, 6371065, 12742130, 25484260]

約数ペア:

[(1, 25484260), (2, 12742130), (4, 6371065), (5, 5096852), (10, 2548426), (20, 1274213), (89, 286340), (103, 247420), (139, 183340), (178, 143170), (206, 123710), (278, 91670), (356, 71585), (412, 61855), (445, 57268), (515, 49484), (556, 45835), (695, 36668), (890, 28634), (1030, 24742), (1390, 18334), (1780, 14317), (2060, 12371), (2780, 9167)]