64129880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43331}}^1$

素因数の和:43379

約数の個数: 32

約数和(自身を含む): 148195440

約数和(自身を除く): 84065560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 43331, 86662, 173324, 216655, 346648, 433310, 866620, 1603247, 1733240, 3206494, 6412988, 8016235, 12825976, 16032470, 32064940, 64129880]

約数ペア:

[(1, 64129880), (2, 32064940), (4, 16032470), (5, 12825976), (8, 8016235), (10, 6412988), (20, 3206494), (37, 1733240), (40, 1603247), (74, 866620), (148, 433310), (185, 346648), (296, 216655), (370, 173324), (740, 86662), (1480, 43331)]