64941080

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{6793}}^1$

素因数の和:7043

約数の個数: 32

約数和(自身を含む): 146750400

約数和(自身を除く): 81809320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 6793, 9560, 13586, 27172, 33965, 54344, 67930, 135860, 271720, 1623527, 3247054, 6494108, 8117635, 12988216, 16235270, 32470540, 64941080]

約数ペア:

[(1, 64941080), (2, 32470540), (4, 16235270), (5, 12988216), (8, 8117635), (10, 6494108), (20, 3247054), (40, 1623527), (239, 271720), (478, 135860), (956, 67930), (1195, 54344), (1912, 33965), (2390, 27172), (4780, 13586), (6793, 9560)]