40245620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{69389}}^1$

素因数の和:69427

約数の個数: 24

約数和(自身を含む): 87431400

約数和(自身を除く): 47185780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 69389, 138778, 277556, 346945, 693890, 1387780, 2012281, 4024562, 8049124, 10061405, 20122810, 40245620]

約数ペア:

[(1, 40245620), (2, 20122810), (4, 10061405), (5, 8049124), (10, 4024562), (20, 2012281), (29, 1387780), (58, 693890), (116, 346945), (145, 277556), (290, 138778), (580, 69389)]