72466540

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{22229}}^1$

素因数の和:22401

約数の個数: 24

約数和(自身を含む): 153120240

約数和(自身を除く): 80653700

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 22229, 44458, 88916, 111145, 222290, 444580, 3623327, 7246654, 14493308, 18116635, 36233270, 72466540]

約数ペア:

[(1, 72466540), (2, 36233270), (4, 18116635), (5, 14493308), (10, 7246654), (20, 3623327), (163, 444580), (326, 222290), (652, 111145), (815, 88916), (1630, 44458), (3260, 22229)]