64437160

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{9883}}^1$

素因数の和:10057

約数の個数: 32

約数和(自身を含む): 145887840

約数和(自身を除く): 81450680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 9883, 19766, 39532, 49415, 79064, 98830, 197660, 395320, 1610929, 3221858, 6443716, 8054645, 12887432, 16109290, 32218580, 64437160]

約数ペア:

[(1, 64437160), (2, 32218580), (4, 16109290), (5, 12887432), (8, 8054645), (10, 6443716), (20, 3221858), (40, 1610929), (163, 395320), (326, 197660), (652, 98830), (815, 79064), (1304, 49415), (1630, 39532), (3260, 19766), (6520, 9883)]