83670280

素因数分解:

$2^3\times 5^1\times {\mathrm{977}}^1\times {\mathrm{2141}}^1$

素因数の和:3129

約数の個数: 32

約数和(自身を含む): 188538840

約数和(自身を除く): 104868560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 977, 1954, 2141, 3908, 4282, 4885, 7816, 8564, 9770, 10705, 17128, 19540, 21410, 39080, 42820, 85640, 2091757, 4183514, 8367028, 10458785, 16734056, 20917570, 41835140, 83670280]

約数ペア:

[(1, 83670280), (2, 41835140), (4, 20917570), (5, 16734056), (8, 10458785), (10, 8367028), (20, 4183514), (40, 2091757), (977, 85640), (1954, 42820), (2141, 39080), (3908, 21410), (4282, 19540), (4885, 17128), (7816, 10705), (8564, 9770)]