28804100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{22157}}^1$

素因数の和:22184

約数の個数: 36

約数和(自身を含む): 67316004

約数和(自身を除く): 38511904

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 22157, 44314, 88628, 110785, 221570, 288041, 443140, 553925, 576082, 1107850, 1152164, 1440205, 2215700, 2880410, 5760820, 7201025, 14402050, 28804100]

約数ペア:

[(1, 28804100), (2, 14402050), (4, 7201025), (5, 5760820), (10, 2880410), (13, 2215700), (20, 1440205), (25, 1152164), (26, 1107850), (50, 576082), (52, 553925), (65, 443140), (100, 288041), (130, 221570), (260, 110785), (325, 88628), (650, 44314), (1300, 22157)]