80943460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18313}}^1$

素因数の和:18352

約数の個数: 48

約数和(自身を含む): 193835376

約数和(自身を除く): 112891916

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 18313, 36626, 73252, 91565, 183130, 238069, 311321, 366260, 476138, 622642, 952276, 1190345, 1245284, 1556605, 2380690, 3113210, 4047173, 4761380, 6226420, 8094346, 16188692, 20235865, 40471730, 80943460]

約数ペア:

[(1, 80943460), (2, 40471730), (4, 20235865), (5, 16188692), (10, 8094346), (13, 6226420), (17, 4761380), (20, 4047173), (26, 3113210), (34, 2380690), (52, 1556605), (65, 1245284), (68, 1190345), (85, 952276), (130, 622642), (170, 476138), (221, 366260), (260, 311321), (340, 238069), (442, 183130), (884, 91565), (1105, 73252), (2210, 36626), (4420, 18313)]