157078160

素因数分解:

$2^4\times 5^1\times {\mathrm{449}}^1\times {\mathrm{4373}}^1$

素因数の和:4835

約数の個数: 40

約数和(自身を含む): 366103800

約数和(自身を除く): 209025640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 449, 898, 1796, 2245, 3592, 4373, 4490, 7184, 8746, 8980, 17492, 17960, 21865, 34984, 35920, 43730, 69968, 87460, 174920, 349840, 1963477, 3926954, 7853908, 9817385, 15707816, 19634770, 31415632, 39269540, 78539080, 157078160]

約数ペア:

[(1, 157078160), (2, 78539080), (4, 39269540), (5, 31415632), (8, 19634770), (10, 15707816), (16, 9817385), (20, 7853908), (40, 3926954), (80, 1963477), (449, 349840), (898, 174920), (1796, 87460), (2245, 69968), (3592, 43730), (4373, 35920), (4490, 34984), (7184, 21865), (8746, 17960), (8980, 17492)]