4027120

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{709}}^1$

素因数の和:793

約数の個数: 40

約数和(自身を含む): 9508320

約数和(自身を除く): 5481200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 709, 710, 1136, 1418, 1420, 2836, 2840, 3545, 5672, 5680, 7090, 11344, 14180, 28360, 50339, 56720, 100678, 201356, 251695, 402712, 503390, 805424, 1006780, 2013560, 4027120]

約数ペア:

[(1, 4027120), (2, 2013560), (4, 1006780), (5, 805424), (8, 503390), (10, 402712), (16, 251695), (20, 201356), (40, 100678), (71, 56720), (80, 50339), (142, 28360), (284, 14180), (355, 11344), (568, 7090), (709, 5680), (710, 5672), (1136, 3545), (1418, 2840), (1420, 2836)]