319470520

素因数分解:

$2^3\times 5^1\times {\mathrm{2039}}^1\times {\mathrm{3917}}^1$

素因数の和:5967

約数の個数: 32

約数和(自身を含む): 719344800

約数和(自身を除く): 399874280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2039, 3917, 4078, 7834, 8156, 10195, 15668, 16312, 19585, 20390, 31336, 39170, 40780, 78340, 81560, 156680, 7986763, 15973526, 31947052, 39933815, 63894104, 79867630, 159735260, 319470520]

約数ペア:

[(1, 319470520), (2, 159735260), (4, 79867630), (5, 63894104), (8, 39933815), (10, 31947052), (20, 15973526), (40, 7986763), (2039, 156680), (3917, 81560), (4078, 78340), (7834, 40780), (8156, 39170), (10195, 31336), (15668, 20390), (16312, 19585)]