65432914840

素因数分解:

$2^3\times 5^1\times {\mathrm{6791}}^1\times {\mathrm{240881}}^1$

素因数の和:247683

約数の個数: 32

約数和(自身を含む): 147246348960

約数和(自身を除く): 81813434120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6791, 13582, 27164, 33955, 54328, 67910, 135820, 240881, 271640, 481762, 963524, 1204405, 1927048, 2408810, 4817620, 9635240, 1635822871, 3271645742, 6543291484, 8179114355, 13086582968, 16358228710, 32716457420, 65432914840]

約数ペア:

[(1, 65432914840), (2, 32716457420), (4, 16358228710), (5, 13086582968), (8, 8179114355), (10, 6543291484), (20, 3271645742), (40, 1635822871), (6791, 9635240), (13582, 4817620), (27164, 2408810), (33955, 1927048), (54328, 1204405), (67910, 963524), (135820, 481762), (240881, 271640)]