28141180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45389}}^1$

素因数の和:45429

約数の個数: 24

約数和(自身を含む): 61004160

約数和(自身を除く): 32862980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 45389, 90778, 181556, 226945, 453890, 907780, 1407059, 2814118, 5628236, 7035295, 14070590, 28141180]

約数ペア:

[(1, 28141180), (2, 14070590), (4, 7035295), (5, 5628236), (10, 2814118), (20, 1407059), (31, 907780), (62, 453890), (124, 226945), (155, 181556), (310, 90778), (620, 45389)]