7888930160

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{661823}}^1$

素因数の和:661985

約数の個数: 40

約数和(自身を含む): 18464889600

約数和(自身を除く): 10575959440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 11920, 661823, 1323646, 2647292, 3309115, 5294584, 6618230, 10589168, 13236460, 26472920, 52945840, 98611627, 197223254, 394446508, 493058135, 788893016, 986116270, 1577786032, 1972232540, 3944465080, 7888930160]

約数ペア:

[(1, 7888930160), (2, 3944465080), (4, 1972232540), (5, 1577786032), (8, 986116270), (10, 788893016), (16, 493058135), (20, 394446508), (40, 197223254), (80, 98611627), (149, 52945840), (298, 26472920), (596, 13236460), (745, 10589168), (1192, 6618230), (1490, 5294584), (2384, 3309115), (2980, 2647292), (5960, 1323646), (11920, 661823)]