127705280

素因数分解:

$2^6\times 5^1\times {\mathrm{399079}}^1$

素因数の和:399096

約数の個数: 28

約数和(自身を含む): 304098960

約数和(自身を除く): 176393680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 399079, 798158, 1596316, 1995395, 3192632, 3990790, 6385264, 7981580, 12770528, 15963160, 25541056, 31926320, 63852640, 127705280]

約数ペア:

[(1, 127705280), (2, 63852640), (4, 31926320), (5, 25541056), (8, 15963160), (10, 12770528), (16, 7981580), (20, 6385264), (32, 3990790), (40, 3192632), (64, 1995395), (80, 1596316), (160, 798158), (320, 399079)]