25178090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 54604800

約数和(自身を除く): 29426710

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 79, 145, 157, 158, 203, 290, 314, 395, 406, 553, 785, 790, 1015, 1099, 1106, 1570, 2030, 2198, 2291, 2765, 4553, 4582, 5495, 5530, 9106, 10990, 11455, 12403, 16037, 22765, 22910, 24806, 31871, 32074, 45530, 62015, 63742, 80185, 86821, 124030, 159355, 160370, 173642, 318710, 359687, 434105, 719374, 868210, 1798435, 2517809, 3596870, 5035618, 12589045, 25178090]

約数ペア:

[(1, 25178090), (2, 12589045), (5, 5035618), (7, 3596870), (10, 2517809), (14, 1798435), (29, 868210), (35, 719374), (58, 434105), (70, 359687), (79, 318710), (145, 173642), (157, 160370), (158, 159355), (203, 124030), (290, 86821), (314, 80185), (395, 63742), (406, 62015), (553, 45530), (785, 32074), (790, 31871), (1015, 24806), (1099, 22910), (1106, 22765), (1570, 16037), (2030, 12403), (2198, 11455), (2291, 10990), (2765, 9106), (4553, 5530), (4582, 5495)]