13408720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12893}}^1$

素因数の和:12919

約数の個数: 40

約数和(自身を含む): 33575976

約数和(自身を除く): 20167256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 12893, 25786, 51572, 64465, 103144, 128930, 167609, 206288, 257860, 335218, 515720, 670436, 838045, 1031440, 1340872, 1676090, 2681744, 3352180, 6704360, 13408720]

約数ペア:

[(1, 13408720), (2, 6704360), (4, 3352180), (5, 2681744), (8, 1676090), (10, 1340872), (13, 1031440), (16, 838045), (20, 670436), (26, 515720), (40, 335218), (52, 257860), (65, 206288), (80, 167609), (104, 128930), (130, 103144), (208, 64465), (260, 51572), (520, 25786), (1040, 12893)]