9187280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2801}}^1$

素因数の和:2855

約数の個数: 40

約数和(自身を含む): 21889224

約数和(自身を除く): 12701944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 2801, 3280, 5602, 11204, 14005, 22408, 28010, 44816, 56020, 112040, 114841, 224080, 229682, 459364, 574205, 918728, 1148410, 1837456, 2296820, 4593640, 9187280]

約数ペア:

[(1, 9187280), (2, 4593640), (4, 2296820), (5, 1837456), (8, 1148410), (10, 918728), (16, 574205), (20, 459364), (40, 229682), (41, 224080), (80, 114841), (82, 112040), (164, 56020), (205, 44816), (328, 28010), (410, 22408), (656, 14005), (820, 11204), (1640, 5602), (2801, 3280)]