40201580

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{14461}}^1$

素因数の和:14609

約数の個数: 24

約数和(自身を含む): 85036560

約数和(自身を除く): 44834980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 14461, 28922, 57844, 72305, 144610, 289220, 2010079, 4020158, 8040316, 10050395, 20100790, 40201580]

約数ペア:

[(1, 40201580), (2, 20100790), (4, 10050395), (5, 8040316), (10, 4020158), (20, 2010079), (139, 289220), (278, 144610), (556, 72305), (695, 57844), (1390, 28922), (2780, 14461)]