165851960

素因数分解:

$2^3\times 5^1\times {\mathrm{601}}^1\times {\mathrm{6899}}^1$

素因数の和:7511

約数の個数: 32

約数和(自身を含む): 373842000

約数和(自身を除く): 207990040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 601, 1202, 2404, 3005, 4808, 6010, 6899, 12020, 13798, 24040, 27596, 34495, 55192, 68990, 137980, 275960, 4146299, 8292598, 16585196, 20731495, 33170392, 41462990, 82925980, 165851960]

約数ペア:

[(1, 165851960), (2, 82925980), (4, 41462990), (5, 33170392), (8, 20731495), (10, 16585196), (20, 8292598), (40, 4146299), (601, 275960), (1202, 137980), (2404, 68990), (3005, 55192), (4808, 34495), (6010, 27596), (6899, 24040), (12020, 13798)]