17864080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 45465840

約数和(自身を除く): 27601760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 178, 193, 208, 260, 356, 386, 445, 520, 712, 772, 890, 965, 1040, 1157, 1424, 1544, 1780, 1930, 2314, 2509, 3088, 3560, 3860, 4628, 5018, 5785, 7120, 7720, 9256, 10036, 11570, 12545, 15440, 17177, 18512, 20072, 23140, 25090, 34354, 40144, 46280, 50180, 68708, 85885, 92560, 100360, 137416, 171770, 200720, 223301, 274832, 343540, 446602, 687080, 893204, 1116505, 1374160, 1786408, 2233010, 3572816, 4466020, 8932040, 17864080]

約数ペア:

[(1, 17864080), (2, 8932040), (4, 4466020), (5, 3572816), (8, 2233010), (10, 1786408), (13, 1374160), (16, 1116505), (20, 893204), (26, 687080), (40, 446602), (52, 343540), (65, 274832), (80, 223301), (89, 200720), (104, 171770), (130, 137416), (178, 100360), (193, 92560), (208, 85885), (260, 68708), (356, 50180), (386, 46280), (445, 40144), (520, 34354), (712, 25090), (772, 23140), (890, 20072), (965, 18512), (1040, 17177), (1157, 15440), (1424, 12545), (1544, 11570), (1780, 10036), (1930, 9256), (2314, 7720), (2509, 7120), (3088, 5785), (3560, 5018), (3860, 4628)]