8932040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 21999600

約数和(自身を除く): 13067560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 178, 193, 260, 356, 386, 445, 520, 712, 772, 890, 965, 1157, 1544, 1780, 1930, 2314, 2509, 3560, 3860, 4628, 5018, 5785, 7720, 9256, 10036, 11570, 12545, 17177, 20072, 23140, 25090, 34354, 46280, 50180, 68708, 85885, 100360, 137416, 171770, 223301, 343540, 446602, 687080, 893204, 1116505, 1786408, 2233010, 4466020, 8932040]

約数ペア:

[(1, 8932040), (2, 4466020), (4, 2233010), (5, 1786408), (8, 1116505), (10, 893204), (13, 687080), (20, 446602), (26, 343540), (40, 223301), (52, 171770), (65, 137416), (89, 100360), (104, 85885), (130, 68708), (178, 50180), (193, 46280), (260, 34354), (356, 25090), (386, 23140), (445, 20072), (520, 17177), (712, 12545), (772, 11570), (890, 10036), (965, 9256), (1157, 7720), (1544, 5785), (1780, 5018), (1930, 4628), (2314, 3860), (2509, 3560)]