65506360

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 153900000

約数和(自身を除く): 88393640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 149, 232, 290, 298, 379, 580, 596, 745, 758, 1160, 1192, 1490, 1516, 1895, 2980, 3032, 3790, 4321, 5960, 7580, 8642, 10991, 15160, 17284, 21605, 21982, 34568, 43210, 43964, 54955, 56471, 86420, 87928, 109910, 112942, 172840, 219820, 225884, 282355, 439640, 451768, 564710, 1129420, 1637659, 2258840, 3275318, 6550636, 8188295, 13101272, 16376590, 32753180, 65506360]

約数ペア:

[(1, 65506360), (2, 32753180), (4, 16376590), (5, 13101272), (8, 8188295), (10, 6550636), (20, 3275318), (29, 2258840), (40, 1637659), (58, 1129420), (116, 564710), (145, 451768), (149, 439640), (232, 282355), (290, 225884), (298, 219820), (379, 172840), (580, 112942), (596, 109910), (745, 87928), (758, 86420), (1160, 56471), (1192, 54955), (1490, 43964), (1516, 43210), (1895, 34568), (2980, 21982), (3032, 21605), (3790, 17284), (4321, 15160), (5960, 10991), (7580, 8642)]