89101780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{32051}}^1$

素因数の和:32199

約数の個数: 24

約数和(自身を含む): 188465760

約数和(自身を除く): 99363980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 32051, 64102, 128204, 160255, 320510, 641020, 4455089, 8910178, 17820356, 22275445, 44550890, 89101780]

約数ペア:

[(1, 89101780), (2, 44550890), (4, 22275445), (5, 17820356), (10, 8910178), (20, 4455089), (139, 641020), (278, 320510), (556, 160255), (695, 128204), (1390, 64102), (2780, 32051)]