25372340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2971}}^1$

素因数の和:3048

約数の個数: 48

約数和(自身を含む): 61912704

約数和(自身を除く): 36540364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 2971, 4270, 5942, 8540, 11884, 14855, 20797, 29710, 41594, 59420, 83188, 103985, 181231, 207970, 362462, 415940, 724924, 906155, 1268617, 1812310, 2537234, 3624620, 5074468, 6343085, 12686170, 25372340]

約数ペア:

[(1, 25372340), (2, 12686170), (4, 6343085), (5, 5074468), (7, 3624620), (10, 2537234), (14, 1812310), (20, 1268617), (28, 906155), (35, 724924), (61, 415940), (70, 362462), (122, 207970), (140, 181231), (244, 103985), (305, 83188), (427, 59420), (610, 41594), (854, 29710), (1220, 20797), (1708, 14855), (2135, 11884), (2971, 8540), (4270, 5942)]