12854320

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3919}}^1$

素因数の和:3973

約数の個数: 40

約数和(自身を含む): 30623040

約数和(自身を除く): 17768720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 3919, 7838, 15676, 19595, 31352, 39190, 62704, 78380, 156760, 160679, 313520, 321358, 642716, 803395, 1285432, 1606790, 2570864, 3213580, 6427160, 12854320]

約数ペア:

[(1, 12854320), (2, 6427160), (4, 3213580), (5, 2570864), (8, 1606790), (10, 1285432), (16, 803395), (20, 642716), (40, 321358), (41, 313520), (80, 160679), (82, 156760), (164, 78380), (205, 62704), (328, 39190), (410, 31352), (656, 19595), (820, 15676), (1640, 7838), (3280, 3919)]