24739640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{7829}}^1$

素因数の和:7919

約数の個数: 32

約数和(自身を含む): 56376000

約数和(自身を除く): 31636360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 7829, 15658, 31316, 39145, 62632, 78290, 156580, 313160, 618491, 1236982, 2473964, 3092455, 4947928, 6184910, 12369820, 24739640]

約数ペア:

[(1, 24739640), (2, 12369820), (4, 6184910), (5, 4947928), (8, 3092455), (10, 2473964), (20, 1236982), (40, 618491), (79, 313160), (158, 156580), (316, 78290), (395, 62632), (632, 39145), (790, 31316), (1580, 15658), (3160, 7829)]