2591518640

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{80783}}^1$

素因数の和:81197

約数の個数: 40

約数和(自身を含む): 6040381248

約数和(自身を除く): 3448862608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 802, 1604, 2005, 3208, 4010, 6416, 8020, 16040, 32080, 80783, 161566, 323132, 403915, 646264, 807830, 1292528, 1615660, 3231320, 6462640, 32393983, 64787966, 129575932, 161969915, 259151864, 323939830, 518303728, 647879660, 1295759320, 2591518640]

約数ペア:

[(1, 2591518640), (2, 1295759320), (4, 647879660), (5, 518303728), (8, 323939830), (10, 259151864), (16, 161969915), (20, 129575932), (40, 64787966), (80, 32393983), (401, 6462640), (802, 3231320), (1604, 1615660), (2005, 1292528), (3208, 807830), (4010, 646264), (6416, 403915), (8020, 323132), (16040, 161566), (32080, 80783)]