8864180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 20302464

約数和(自身を除く): 11438284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 331, 412, 515, 662, 1030, 1324, 1339, 1655, 2060, 2678, 3310, 4303, 5356, 6620, 6695, 8606, 13390, 17212, 21515, 26780, 34093, 43030, 68186, 86060, 136372, 170465, 340930, 443209, 681860, 886418, 1772836, 2216045, 4432090, 8864180]

約数ペア:

[(1, 8864180), (2, 4432090), (4, 2216045), (5, 1772836), (10, 886418), (13, 681860), (20, 443209), (26, 340930), (52, 170465), (65, 136372), (103, 86060), (130, 68186), (206, 43030), (260, 34093), (331, 26780), (412, 21515), (515, 17212), (662, 13390), (1030, 8606), (1324, 6695), (1339, 6620), (1655, 5356), (2060, 4303), (2678, 3310)]