4078240

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:445

約数の個数: 48

約数和(自身を含む): 9797760

約数和(自身を除く): 5719520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 359, 568, 710, 718, 1136, 1420, 1436, 1795, 2272, 2840, 2872, 3590, 5680, 5744, 7180, 11360, 11488, 14360, 25489, 28720, 50978, 57440, 101956, 127445, 203912, 254890, 407824, 509780, 815648, 1019560, 2039120, 4078240]

約数ペア:

[(1, 4078240), (2, 2039120), (4, 1019560), (5, 815648), (8, 509780), (10, 407824), (16, 254890), (20, 203912), (32, 127445), (40, 101956), (71, 57440), (80, 50978), (142, 28720), (160, 25489), (284, 14360), (355, 11488), (359, 11360), (568, 7180), (710, 5744), (718, 5680), (1136, 3590), (1420, 2872), (1436, 2840), (1795, 2272)]