42768400

素因数分解:

$2^4\times 5^2\times {\mathrm{106921}}^1$

素因数の和:106939

約数の個数: 30

約数和(自身を含む): 102752042

約数和(自身を除く): 59983642

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 106921, 213842, 427684, 534605, 855368, 1069210, 1710736, 2138420, 2673025, 4276840, 5346050, 8553680, 10692100, 21384200, 42768400]

約数ペア:

[(1, 42768400), (2, 21384200), (4, 10692100), (5, 8553680), (8, 5346050), (10, 4276840), (16, 2673025), (20, 2138420), (25, 1710736), (40, 1069210), (50, 855368), (80, 534605), (100, 427684), (200, 213842), (400, 106921)]