72492100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{17681}}^1$

素因数の和:17736

約数の個数: 36

約数和(自身を含む): 161153748

約数和(自身を除く): 88661648

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 17681, 35362, 70724, 88405, 176810, 353620, 442025, 724921, 884050, 1449842, 1768100, 2899684, 3624605, 7249210, 14498420, 18123025, 36246050, 72492100]

約数ペア:

[(1, 72492100), (2, 36246050), (4, 18123025), (5, 14498420), (10, 7249210), (20, 3624605), (25, 2899684), (41, 1768100), (50, 1449842), (82, 884050), (100, 724921), (164, 442025), (205, 353620), (410, 176810), (820, 88405), (1025, 70724), (2050, 35362), (4100, 17681)]