258415840

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{12329}}^1$

素因数の和:12475

約数の個数: 48

約数和(自身を含む): 615217680

約数和(自身を除く): 356801840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 262, 524, 655, 1048, 1310, 2096, 2620, 4192, 5240, 10480, 12329, 20960, 24658, 49316, 61645, 98632, 123290, 197264, 246580, 394528, 493160, 986320, 1615099, 1972640, 3230198, 6460396, 8075495, 12920792, 16150990, 25841584, 32301980, 51683168, 64603960, 129207920, 258415840]

約数ペア:

[(1, 258415840), (2, 129207920), (4, 64603960), (5, 51683168), (8, 32301980), (10, 25841584), (16, 16150990), (20, 12920792), (32, 8075495), (40, 6460396), (80, 3230198), (131, 1972640), (160, 1615099), (262, 986320), (524, 493160), (655, 394528), (1048, 246580), (1310, 197264), (2096, 123290), (2620, 98632), (4192, 61645), (5240, 49316), (10480, 24658), (12329, 20960)]