25346290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1231}}^1$

素因数の和:1338

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 22553870

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 355, 710, 1231, 2059, 2462, 4118, 6155, 10295, 12310, 20590, 35699, 71398, 87401, 174802, 178495, 356990, 437005, 874010, 2534629, 5069258, 12673145, 25346290]

約数ペア:

[(1, 25346290), (2, 12673145), (5, 5069258), (10, 2534629), (29, 874010), (58, 437005), (71, 356990), (142, 178495), (145, 174802), (290, 87401), (355, 71398), (710, 35699), (1231, 20590), (2059, 12310), (2462, 10295), (4118, 6155)]