83638160

素因数分解:

$2^4\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1999}}^1$

素因数の和:2535

約数の個数: 40

約数和(自身を含む): 194928000

約数和(自身を除く): 111289840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 523, 1046, 1999, 2092, 2615, 3998, 4184, 5230, 7996, 8368, 9995, 10460, 15992, 19990, 20920, 31984, 39980, 41840, 79960, 159920, 1045477, 2090954, 4181908, 5227385, 8363816, 10454770, 16727632, 20909540, 41819080, 83638160]

約数ペア:

[(1, 83638160), (2, 41819080), (4, 20909540), (5, 16727632), (8, 10454770), (10, 8363816), (16, 5227385), (20, 4181908), (40, 2090954), (80, 1045477), (523, 159920), (1046, 79960), (1999, 41840), (2092, 39980), (2615, 31984), (3998, 20920), (4184, 19990), (5230, 15992), (7996, 10460), (8368, 9995)]