166668160

素因数分解:

$2^7\times 5^1\times {\mathrm{260419}}^1$

素因数の和:260438

約数の個数: 32

約数和(自身を含む): 398442600

約数和(自身を除く): 231774440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 260419, 520838, 1041676, 1302095, 2083352, 2604190, 4166704, 5208380, 8333408, 10416760, 16666816, 20833520, 33333632, 41667040, 83334080, 166668160]

約数ペア:

[(1, 166668160), (2, 83334080), (4, 41667040), (5, 33333632), (8, 20833520), (10, 16666816), (16, 10416760), (20, 8333408), (32, 5208380), (40, 4166704), (64, 2604190), (80, 2083352), (128, 1302095), (160, 1041676), (320, 520838), (640, 260419)]