1659320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3191}}^1$

素因数の和:3215

約数の個数: 32

約数和(自身を含む): 4021920

約数和(自身を除く): 2362600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3191, 6382, 12764, 15955, 25528, 31910, 41483, 63820, 82966, 127640, 165932, 207415, 331864, 414830, 829660, 1659320]

約数ペア:

[(1, 1659320), (2, 829660), (4, 414830), (5, 331864), (8, 207415), (10, 165932), (13, 127640), (20, 82966), (26, 63820), (40, 41483), (52, 31910), (65, 25528), (104, 15955), (130, 12764), (260, 6382), (520, 3191)]