40417780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155453}}^1$

素因数の和:155475

約数の個数: 24

約数和(自身を含む): 91406952

約数和(自身を除く): 50989172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 155453, 310906, 621812, 777265, 1554530, 2020889, 3109060, 4041778, 8083556, 10104445, 20208890, 40417780]

約数ペア:

[(1, 40417780), (2, 20208890), (4, 10104445), (5, 8083556), (10, 4041778), (13, 3109060), (20, 2020889), (26, 1554530), (52, 777265), (65, 621812), (130, 310906), (260, 155453)]