13357040

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1621}}^1$

素因数の和:1737

約数の個数: 40

約数和(自身を含む): 31375968

約数和(自身を除く): 18018928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1621, 1648, 2060, 3242, 4120, 6484, 8105, 8240, 12968, 16210, 25936, 32420, 64840, 129680, 166963, 333926, 667852, 834815, 1335704, 1669630, 2671408, 3339260, 6678520, 13357040]

約数ペア:

[(1, 13357040), (2, 6678520), (4, 3339260), (5, 2671408), (8, 1669630), (10, 1335704), (16, 834815), (20, 667852), (40, 333926), (80, 166963), (103, 129680), (206, 64840), (412, 32420), (515, 25936), (824, 16210), (1030, 12968), (1621, 8240), (1648, 8105), (2060, 6484), (3242, 4120)]