201577960

素因数分解:

$2^3\times 5^1\times {\mathrm{2221}}^1\times {\mathrm{2269}}^1$

素因数の和:4501

約数の個数: 32

約数和(自身を含む): 453954600

約数和(自身を除く): 252376640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2221, 2269, 4442, 4538, 8884, 9076, 11105, 11345, 17768, 18152, 22210, 22690, 44420, 45380, 88840, 90760, 5039449, 10078898, 20157796, 25197245, 40315592, 50394490, 100788980, 201577960]

約数ペア:

[(1, 201577960), (2, 100788980), (4, 50394490), (5, 40315592), (8, 25197245), (10, 20157796), (20, 10078898), (40, 5039449), (2221, 90760), (2269, 88840), (4442, 45380), (4538, 44420), (8884, 22690), (9076, 22210), (11105, 18152), (11345, 17768)]