99508840

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3881}}^1$

素因数の和:4533

約数の個数: 32

約数和(自身を含む): 224301960

約数和(自身を除く): 124793120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 3881, 5128, 6410, 7762, 12820, 15524, 19405, 25640, 31048, 38810, 77620, 155240, 2487721, 4975442, 9950884, 12438605, 19901768, 24877210, 49754420, 99508840]

約数ペア:

[(1, 99508840), (2, 49754420), (4, 24877210), (5, 19901768), (8, 12438605), (10, 9950884), (20, 4975442), (40, 2487721), (641, 155240), (1282, 77620), (2564, 38810), (3205, 31048), (3881, 25640), (5128, 19405), (6410, 15524), (7762, 12820)]