40417208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{683}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 81874800

約数和(自身を除く): 41457592

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 569, 683, 1138, 1366, 2276, 2732, 4552, 5464, 7397, 8879, 14794, 17758, 29588, 35516, 59176, 71032, 388627, 777254, 1554508, 3109016, 5052151, 10104302, 20208604, 40417208]

約数ペア:

[(1, 40417208), (2, 20208604), (4, 10104302), (8, 5052151), (13, 3109016), (26, 1554508), (52, 777254), (104, 388627), (569, 71032), (683, 59176), (1138, 35516), (1366, 29588), (2276, 17758), (2732, 14794), (4552, 8879), (5464, 7397)]