78121580

素因数分解:

$2^2\times 5^1\times {\mathrm{599}}^1\times {\mathrm{6521}}^1$

素因数の和:7129

約数の個数: 24

約数和(自身を含む): 164354400

約数和(自身を除く): 86232820

約数列:

[1, 2, 4, 5, 10, 20, 599, 1198, 2396, 2995, 5990, 6521, 11980, 13042, 26084, 32605, 65210, 130420, 3906079, 7812158, 15624316, 19530395, 39060790, 78121580]

約数ペア:

[(1, 78121580), (2, 39060790), (4, 19530395), (5, 15624316), (10, 7812158), (20, 3906079), (599, 130420), (1198, 65210), (2396, 32605), (2995, 26084), (5990, 13042), (6521, 11980)]