8440020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{46889}}^1$

素因数の和:46904

約数の個数: 36

約数和(自身を含む): 25601940

約数和(自身を除く): 17161920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 46889, 93778, 140667, 187556, 234445, 281334, 422001, 468890, 562668, 703335, 844002, 937780, 1406670, 1688004, 2110005, 2813340, 4220010, 8440020]

約数ペア:

[(1, 8440020), (2, 4220010), (3, 2813340), (4, 2110005), (5, 1688004), (6, 1406670), (9, 937780), (10, 844002), (12, 703335), (15, 562668), (18, 468890), (20, 422001), (30, 281334), (36, 234445), (45, 187556), (60, 140667), (90, 93778), (180, 46889)]