129388625

素因数分解:

$5^3\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 167132160

約数和(自身を除く): 37743535

約数列:

[1, 5, 25, 61, 71, 125, 239, 305, 355, 1195, 1525, 1775, 4331, 5975, 7625, 8875, 14579, 16969, 21655, 29875, 72895, 84845, 108275, 364475, 424225, 541375, 1035109, 1822375, 2121125, 5175545, 25877725, 129388625]

約数ペア:

[(1, 129388625), (5, 25877725), (25, 5175545), (61, 2121125), (71, 1822375), (125, 1035109), (239, 541375), (305, 424225), (355, 364475), (1195, 108275), (1525, 84845), (1775, 72895), (4331, 29875), (5975, 21655), (7625, 16969), (8875, 14579)]