31949320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61441}}^1$

素因数の和:61465

約数の個数: 32

約数和(自身を含む): 77416920

約数和(自身を除く): 45467600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 61441, 122882, 245764, 307205, 491528, 614410, 798733, 1228820, 1597466, 2457640, 3194932, 3993665, 6389864, 7987330, 15974660, 31949320]

約数ペア:

[(1, 31949320), (2, 15974660), (4, 7987330), (5, 6389864), (8, 3993665), (10, 3194932), (13, 2457640), (20, 1597466), (26, 1228820), (40, 798733), (52, 614410), (65, 491528), (104, 307205), (130, 245764), (260, 122882), (520, 61441)]