64843480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{124699}}^1$

素因数の和:124723

約数の個数: 32

約数和(自身を含む): 157122000

約数和(自身を除く): 92278520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 124699, 249398, 498796, 623495, 997592, 1246990, 1621087, 2493980, 3242174, 4987960, 6484348, 8105435, 12968696, 16210870, 32421740, 64843480]

約数ペア:

[(1, 64843480), (2, 32421740), (4, 16210870), (5, 12968696), (8, 8105435), (10, 6484348), (13, 4987960), (20, 3242174), (26, 2493980), (40, 1621087), (52, 1246990), (65, 997592), (104, 623495), (130, 498796), (260, 249398), (520, 124699)]