39154940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4139}}^1$

素因数の和:4202

約数の個数: 48

約数和(自身を含む): 91808640

約数和(自身を除く): 52653700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4139, 4730, 8278, 9460, 16556, 20695, 41390, 45529, 82780, 91058, 177977, 182116, 227645, 355954, 455290, 711908, 889885, 910580, 1779770, 1957747, 3559540, 3915494, 7830988, 9788735, 19577470, 39154940]

約数ペア:

[(1, 39154940), (2, 19577470), (4, 9788735), (5, 7830988), (10, 3915494), (11, 3559540), (20, 1957747), (22, 1779770), (43, 910580), (44, 889885), (55, 711908), (86, 455290), (110, 355954), (172, 227645), (215, 182116), (220, 177977), (430, 91058), (473, 82780), (860, 45529), (946, 41390), (1892, 20695), (2365, 16556), (4139, 9460), (4730, 8278)]