25414160

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{647}}^1$

素因数の和:1151

約数の個数: 40

約数和(自身を含む): 59299776

約数和(自身を除く): 33885616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 647, 982, 1294, 1964, 2455, 2588, 3235, 3928, 4910, 5176, 6470, 7856, 9820, 10352, 12940, 19640, 25880, 39280, 51760, 317677, 635354, 1270708, 1588385, 2541416, 3176770, 5082832, 6353540, 12707080, 25414160]

約数ペア:

[(1, 25414160), (2, 12707080), (4, 6353540), (5, 5082832), (8, 3176770), (10, 2541416), (16, 1588385), (20, 1270708), (40, 635354), (80, 317677), (491, 51760), (647, 39280), (982, 25880), (1294, 19640), (1964, 12940), (2455, 10352), (2588, 9820), (3235, 7856), (3928, 6470), (4910, 5176)]