77220280

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{11159}}^1$

素因数の和:11343

約数の個数: 32

約数和(自身を含む): 174765600

約数和(自身を除く): 97545320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 11159, 22318, 44636, 55795, 89272, 111590, 223180, 446360, 1930507, 3861014, 7722028, 9652535, 15444056, 19305070, 38610140, 77220280]

約数ペア:

[(1, 77220280), (2, 38610140), (4, 19305070), (5, 15444056), (8, 9652535), (10, 7722028), (20, 3861014), (40, 1930507), (173, 446360), (346, 223180), (692, 111590), (865, 89272), (1384, 55795), (1730, 44636), (3460, 22318), (6920, 11159)]