160899920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64879}}^1$

素因数の和:64923

約数の個数: 40

約数和(自身を含む): 386165760

約数和(自身を除く): 225265840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 64879, 129758, 259516, 324395, 519032, 648790, 1038064, 1297580, 2011249, 2595160, 4022498, 5190320, 8044996, 10056245, 16089992, 20112490, 32179984, 40224980, 80449960, 160899920]

約数ペア:

[(1, 160899920), (2, 80449960), (4, 40224980), (5, 32179984), (8, 20112490), (10, 16089992), (16, 10056245), (20, 8044996), (31, 5190320), (40, 4022498), (62, 2595160), (80, 2011249), (124, 1297580), (155, 1038064), (248, 648790), (310, 519032), (496, 324395), (620, 259516), (1240, 129758), (2480, 64879)]