64529840

素因数分解:

$2^4\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1181}}^1$

素因数の和:1877

約数の個数: 40

約数和(自身を含む): 150378768

約数和(自身を除く): 85848928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 683, 1181, 1366, 2362, 2732, 3415, 4724, 5464, 5905, 6830, 9448, 10928, 11810, 13660, 18896, 23620, 27320, 47240, 54640, 94480, 806623, 1613246, 3226492, 4033115, 6452984, 8066230, 12905968, 16132460, 32264920, 64529840]

約数ペア:

[(1, 64529840), (2, 32264920), (4, 16132460), (5, 12905968), (8, 8066230), (10, 6452984), (16, 4033115), (20, 3226492), (40, 1613246), (80, 806623), (683, 94480), (1181, 54640), (1366, 47240), (2362, 27320), (2732, 23620), (3415, 18896), (4724, 13660), (5464, 11810), (5905, 10928), (6830, 9448)]