8019920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5897}}^1$

素因数の和:5927

約数の個数: 40

約数和(自身を含む): 19746504

約数和(自身を除く): 11726584

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 5897, 11794, 23588, 29485, 47176, 58970, 94352, 100249, 117940, 200498, 235880, 400996, 471760, 501245, 801992, 1002490, 1603984, 2004980, 4009960, 8019920]

約数ペア:

[(1, 8019920), (2, 4009960), (4, 2004980), (5, 1603984), (8, 1002490), (10, 801992), (16, 501245), (17, 471760), (20, 400996), (34, 235880), (40, 200498), (68, 117940), (80, 100249), (85, 94352), (136, 58970), (170, 47176), (272, 29485), (340, 23588), (680, 11794), (1360, 5897)]