8939960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13147}}^1$

素因数の和:13175

約数の個数: 32

約数和(自身を含む): 21299760

約数和(自身を除く): 12359800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 13147, 26294, 52588, 65735, 105176, 131470, 223499, 262940, 446998, 525880, 893996, 1117495, 1787992, 2234990, 4469980, 8939960]

約数ペア:

[(1, 8939960), (2, 4469980), (4, 2234990), (5, 1787992), (8, 1117495), (10, 893996), (17, 525880), (20, 446998), (34, 262940), (40, 223499), (68, 131470), (85, 105176), (136, 65735), (170, 52588), (340, 26294), (680, 13147)]