71615960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137723}}^1$

素因数の和:137747

約数の個数: 32

約数和(自身を含む): 173532240

約数和(自身を除く): 101916280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 137723, 275446, 550892, 688615, 1101784, 1377230, 1790399, 2754460, 3580798, 5508920, 7161596, 8951995, 14323192, 17903990, 35807980, 71615960]

約数ペア:

[(1, 71615960), (2, 35807980), (4, 17903990), (5, 14323192), (8, 8951995), (10, 7161596), (13, 5508920), (20, 3580798), (26, 2754460), (40, 1790399), (52, 1377230), (65, 1101784), (104, 688615), (130, 550892), (260, 275446), (520, 137723)]