8601680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5659}}^1$

素因数の和:5691

約数の個数: 40

約数和(自身を含む): 21055200

約数和(自身を除く): 12453520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 5659, 11318, 22636, 28295, 45272, 56590, 90544, 107521, 113180, 215042, 226360, 430084, 452720, 537605, 860168, 1075210, 1720336, 2150420, 4300840, 8601680]

約数ペア:

[(1, 8601680), (2, 4300840), (4, 2150420), (5, 1720336), (8, 1075210), (10, 860168), (16, 537605), (19, 452720), (20, 430084), (38, 226360), (40, 215042), (76, 113180), (80, 107521), (95, 90544), (152, 56590), (190, 45272), (304, 28295), (380, 22636), (760, 11318), (1520, 5659)]