47819920

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8419}}^1$

素因数の和:8503

約数の個数: 40

約数和(自身を含む): 112760640

約数和(自身を除く): 64940720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 8419, 16838, 33676, 42095, 67352, 84190, 134704, 168380, 336760, 597749, 673520, 1195498, 2390996, 2988745, 4781992, 5977490, 9563984, 11954980, 23909960, 47819920]

約数ペア:

[(1, 47819920), (2, 23909960), (4, 11954980), (5, 9563984), (8, 5977490), (10, 4781992), (16, 2988745), (20, 2390996), (40, 1195498), (71, 673520), (80, 597749), (142, 336760), (284, 168380), (355, 134704), (568, 84190), (710, 67352), (1136, 42095), (1420, 33676), (2840, 16838), (5680, 8419)]