42720664

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40151}}^1$

素因数の和:40183

約数の個数: 32

約数和(自身を含む): 96364800

約数和(自身を除く): 53644136

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 40151, 80302, 160604, 281057, 321208, 562114, 762869, 1124228, 1525738, 2248456, 3051476, 5340083, 6102952, 10680166, 21360332, 42720664]

約数ペア:

[(1, 42720664), (2, 21360332), (4, 10680166), (7, 6102952), (8, 5340083), (14, 3051476), (19, 2248456), (28, 1525738), (38, 1124228), (56, 762869), (76, 562114), (133, 321208), (152, 281057), (266, 160604), (532, 80302), (1064, 40151)]