64437280

素因数分解:

$2^5\times 5^1\times {\mathrm{521}}^1\times {\mathrm{773}}^1$

素因数の和:1309

約数の個数: 48

約数和(自身を含む): 152722584

約数和(自身を除く): 88285304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 521, 773, 1042, 1546, 2084, 2605, 3092, 3865, 4168, 5210, 6184, 7730, 8336, 10420, 12368, 15460, 16672, 20840, 24736, 30920, 41680, 61840, 83360, 123680, 402733, 805466, 1610932, 2013665, 3221864, 4027330, 6443728, 8054660, 12887456, 16109320, 32218640, 64437280]

約数ペア:

[(1, 64437280), (2, 32218640), (4, 16109320), (5, 12887456), (8, 8054660), (10, 6443728), (16, 4027330), (20, 3221864), (32, 2013665), (40, 1610932), (80, 805466), (160, 402733), (521, 123680), (773, 83360), (1042, 61840), (1546, 41680), (2084, 30920), (2605, 24736), (3092, 20840), (3865, 16672), (4168, 15460), (5210, 12368), (6184, 10420), (7730, 8336)]