6989680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2131}}^1$

素因数の和:2185

約数の個数: 40

約数和(自身を含む): 16655184

約数和(自身を除く): 9665504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 2131, 3280, 4262, 8524, 10655, 17048, 21310, 34096, 42620, 85240, 87371, 170480, 174742, 349484, 436855, 698968, 873710, 1397936, 1747420, 3494840, 6989680]

約数ペア:

[(1, 6989680), (2, 3494840), (4, 1747420), (5, 1397936), (8, 873710), (10, 698968), (16, 436855), (20, 349484), (40, 174742), (41, 170480), (80, 87371), (82, 85240), (164, 42620), (205, 34096), (328, 21310), (410, 17048), (656, 10655), (820, 8524), (1640, 4262), (2131, 3280)]