77804920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{114419}}^1$

素因数の和:114447

約数の個数: 32

約数和(自身を含む): 185360400

約数和(自身を除く): 107555480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 114419, 228838, 457676, 572095, 915352, 1144190, 1945123, 2288380, 3890246, 4576760, 7780492, 9725615, 15560984, 19451230, 38902460, 77804920]

約数ペア:

[(1, 77804920), (2, 38902460), (4, 19451230), (5, 15560984), (8, 9725615), (10, 7780492), (17, 4576760), (20, 3890246), (34, 2288380), (40, 1945123), (68, 1144190), (85, 915352), (136, 572095), (170, 457676), (340, 228838), (680, 114419)]