201660440

素因数分解:

$2^3\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{4621}}^1$

素因数の和:5723

約数の個数: 32

約数和(自身を含む): 454250160

約数和(自身を除く): 252589720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1091, 2182, 4364, 4621, 5455, 8728, 9242, 10910, 18484, 21820, 23105, 36968, 43640, 46210, 92420, 184840, 5041511, 10083022, 20166044, 25207555, 40332088, 50415110, 100830220, 201660440]

約数ペア:

[(1, 201660440), (2, 100830220), (4, 50415110), (5, 40332088), (8, 25207555), (10, 20166044), (20, 10083022), (40, 5041511), (1091, 184840), (2182, 92420), (4364, 46210), (4621, 43640), (5455, 36968), (8728, 23105), (9242, 21820), (10910, 18484)]