205369160

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{40427}}^1$

素因数の和:40565

約数の個数: 32

約数和(自身を含む): 465730560

約数和(自身を除く): 260361400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 40427, 80854, 161708, 202135, 323416, 404270, 808540, 1617080, 5134229, 10268458, 20536916, 25671145, 41073832, 51342290, 102684580, 205369160]

約数ペア:

[(1, 205369160), (2, 102684580), (4, 51342290), (5, 41073832), (8, 25671145), (10, 20536916), (20, 10268458), (40, 5134229), (127, 1617080), (254, 808540), (508, 404270), (635, 323416), (1016, 202135), (1270, 161708), (2540, 80854), (5080, 40427)]