201987040

素因数分解:

$2^5\times 5^1\times {\mathrm{1262419}}^1$

素因数の和:1262434

約数の個数: 24

約数和(自身を含む): 477194760

約数和(自身を除く): 275207720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1262419, 2524838, 5049676, 6312095, 10099352, 12624190, 20198704, 25248380, 40397408, 50496760, 100993520, 201987040]

約数ペア:

[(1, 201987040), (2, 100993520), (4, 50496760), (5, 40397408), (8, 25248380), (10, 20198704), (16, 12624190), (20, 10099352), (32, 6312095), (40, 5049676), (80, 2524838), (160, 1262419)]