155963560

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{28051}}^1$

素因数の和:28201

約数の個数: 32

約数和(自身を含む): 353455200

約数和(自身を除く): 197491640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 28051, 56102, 112204, 140255, 224408, 280510, 561020, 1122040, 3899089, 7798178, 15596356, 19495445, 31192712, 38990890, 77981780, 155963560]

約数ペア:

[(1, 155963560), (2, 77981780), (4, 38990890), (5, 31192712), (8, 19495445), (10, 15596356), (20, 7798178), (40, 3899089), (139, 1122040), (278, 561020), (556, 280510), (695, 224408), (1112, 140255), (1390, 112204), (2780, 56102), (5560, 28051)]