40644875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 55531008

約数和(自身を除く): 14886133

約数列:

[1, 5, 17, 25, 31, 85, 125, 155, 425, 527, 617, 775, 2125, 2635, 3085, 3875, 10489, 13175, 15425, 19127, 52445, 65875, 77125, 95635, 262225, 325159, 478175, 1311125, 1625795, 2390875, 8128975, 40644875]

約数ペア:

[(1, 40644875), (5, 8128975), (17, 2390875), (25, 1625795), (31, 1311125), (85, 478175), (125, 325159), (155, 262225), (425, 95635), (527, 77125), (617, 65875), (775, 52445), (2125, 19127), (2635, 15425), (3085, 13175), (3875, 10489)]