23908540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 51710400

約数和(自身を除く): 27801860

約数列:

[1, 2, 4, 5, 10, 20, 71, 113, 142, 149, 226, 284, 298, 355, 452, 565, 596, 710, 745, 1130, 1420, 1490, 2260, 2980, 8023, 10579, 16046, 16837, 21158, 32092, 33674, 40115, 42316, 52895, 67348, 80230, 84185, 105790, 160460, 168370, 211580, 336740, 1195427, 2390854, 4781708, 5977135, 11954270, 23908540]

約数ペア:

[(1, 23908540), (2, 11954270), (4, 5977135), (5, 4781708), (10, 2390854), (20, 1195427), (71, 336740), (113, 211580), (142, 168370), (149, 160460), (226, 105790), (284, 84185), (298, 80230), (355, 67348), (452, 52895), (565, 42316), (596, 40115), (710, 33674), (745, 32092), (1130, 21158), (1420, 16837), (1490, 16046), (2260, 10579), (2980, 8023)]