64931240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{147571}}^1$

素因数の和:147593

約数の個数: 32

約数和(自身を含む): 159377760

約数和(自身を除く): 94446520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 147571, 295142, 590284, 737855, 1180568, 1475710, 1623281, 2951420, 3246562, 5902840, 6493124, 8116405, 12986248, 16232810, 32465620, 64931240]

約数ペア:

[(1, 64931240), (2, 32465620), (4, 16232810), (5, 12986248), (8, 8116405), (10, 6493124), (11, 5902840), (20, 3246562), (22, 2951420), (40, 1623281), (44, 1475710), (55, 1180568), (88, 737855), (110, 590284), (220, 295142), (440, 147571)]