65113640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{52511}}^1$

素因数の和:52553

約数の個数: 32

約数和(自身を含む): 151234560

約数和(自身を除く): 86120920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 52511, 105022, 210044, 262555, 420088, 525110, 1050220, 1627841, 2100440, 3255682, 6511364, 8139205, 13022728, 16278410, 32556820, 65113640]

約数ペア:

[(1, 65113640), (2, 32556820), (4, 16278410), (5, 13022728), (8, 8139205), (10, 6511364), (20, 3255682), (31, 2100440), (40, 1627841), (62, 1050220), (124, 525110), (155, 420088), (248, 262555), (310, 210044), (620, 105022), (1240, 52511)]