1330709680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{978463}}^1$

素因数の和:978493

約数の個数: 40

約数和(自身を含む): 3275897472

約数和(自身を除く): 1945187792

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 978463, 1956926, 3913852, 4892315, 7827704, 9784630, 15655408, 16633871, 19569260, 33267742, 39138520, 66535484, 78277040, 83169355, 133070968, 166338710, 266141936, 332677420, 665354840, 1330709680]

約数ペア:

[(1, 1330709680), (2, 665354840), (4, 332677420), (5, 266141936), (8, 166338710), (10, 133070968), (16, 83169355), (17, 78277040), (20, 66535484), (34, 39138520), (40, 33267742), (68, 19569260), (80, 16633871), (85, 15655408), (136, 9784630), (170, 7827704), (272, 4892315), (340, 3913852), (680, 1956926), (1360, 978463)]