51428840

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{8629}}^1$

素因数の和:8789

約数の個数: 32

約数和(自身を含む): 116505000

約数和(自身を除く): 65076160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 8629, 17258, 34516, 43145, 69032, 86290, 172580, 345160, 1285721, 2571442, 5142884, 6428605, 10285768, 12857210, 25714420, 51428840]

約数ペア:

[(1, 51428840), (2, 25714420), (4, 12857210), (5, 10285768), (8, 6428605), (10, 5142884), (20, 2571442), (40, 1285721), (149, 345160), (298, 172580), (596, 86290), (745, 69032), (1192, 43145), (1490, 34516), (2980, 17258), (5960, 8629)]