161015320

素因数分解:

$2^3\times 5^1\times {\mathrm{1637}}^1\times {\mathrm{2459}}^1$

素因数の和:4107

約数の個数: 32

約数和(自身を含む): 362653200

約数和(自身を除く): 201637880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1637, 2459, 3274, 4918, 6548, 8185, 9836, 12295, 13096, 16370, 19672, 24590, 32740, 49180, 65480, 98360, 4025383, 8050766, 16101532, 20126915, 32203064, 40253830, 80507660, 161015320]

約数ペア:

[(1, 161015320), (2, 80507660), (4, 40253830), (5, 32203064), (8, 20126915), (10, 16101532), (20, 8050766), (40, 4025383), (1637, 98360), (2459, 65480), (3274, 49180), (4918, 32740), (6548, 24590), (8185, 19672), (9836, 16370), (12295, 13096)]