72520780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{116969}}^1$

素因数の和:117009

約数の個数: 24

約数和(自身を含む): 157207680

約数和(自身を除く): 84686900

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 116969, 233938, 467876, 584845, 1169690, 2339380, 3626039, 7252078, 14504156, 18130195, 36260390, 72520780]

約数ペア:

[(1, 72520780), (2, 36260390), (4, 18130195), (5, 14504156), (10, 7252078), (20, 3626039), (31, 2339380), (62, 1169690), (124, 584845), (155, 467876), (310, 233938), (620, 116969)]