13513520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5449}}^1$

素因数の和:5493

約数の個数: 40

約数和(自身を含む): 32438400

約数和(自身を除く): 18924880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 5449, 10898, 21796, 27245, 43592, 54490, 87184, 108980, 168919, 217960, 337838, 435920, 675676, 844595, 1351352, 1689190, 2702704, 3378380, 6756760, 13513520]

約数ペア:

[(1, 13513520), (2, 6756760), (4, 3378380), (5, 2702704), (8, 1689190), (10, 1351352), (16, 844595), (20, 675676), (31, 435920), (40, 337838), (62, 217960), (80, 168919), (124, 108980), (155, 87184), (248, 54490), (310, 43592), (496, 27245), (620, 21796), (1240, 10898), (2480, 5449)]