68004640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{38639}}^1$

素因数の和:38665

約数の個数: 48

約数和(自身を含む): 175271040

約数和(自身を除く): 107266400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 38639, 77278, 154556, 193195, 309112, 386390, 425029, 618224, 772780, 850058, 1236448, 1545560, 1700116, 2125145, 3091120, 3400232, 4250290, 6182240, 6800464, 8500580, 13600928, 17001160, 34002320, 68004640]

約数ペア:

[(1, 68004640), (2, 34002320), (4, 17001160), (5, 13600928), (8, 8500580), (10, 6800464), (11, 6182240), (16, 4250290), (20, 3400232), (22, 3091120), (32, 2125145), (40, 1700116), (44, 1545560), (55, 1236448), (80, 850058), (88, 772780), (110, 618224), (160, 425029), (176, 386390), (220, 309112), (352, 193195), (440, 154556), (880, 77278), (1760, 38639)]