8381680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6163}}^1$

素因数の和:6193

約数の個数: 40

約数和(自身を含む): 20637072

約数和(自身を除く): 12255392

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 6163, 12326, 24652, 30815, 49304, 61630, 98608, 104771, 123260, 209542, 246520, 419084, 493040, 523855, 838168, 1047710, 1676336, 2095420, 4190840, 8381680]

約数ペア:

[(1, 8381680), (2, 4190840), (4, 2095420), (5, 1676336), (8, 1047710), (10, 838168), (16, 523855), (17, 493040), (20, 419084), (34, 246520), (40, 209542), (68, 123260), (80, 104771), (85, 98608), (136, 61630), (170, 49304), (272, 30815), (340, 24652), (680, 12326), (1360, 6163)]