1294270840

素因数分解:

$2^3\times 5^1\times {\mathrm{2707}}^1\times {\mathrm{11953}}^1$

素因数の和:14671

約数の個数: 32

約数和(自身を含む): 2913428880

約数和(自身を除く): 1619158040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2707, 5414, 10828, 11953, 13535, 21656, 23906, 27070, 47812, 54140, 59765, 95624, 108280, 119530, 239060, 478120, 32356771, 64713542, 129427084, 161783855, 258854168, 323567710, 647135420, 1294270840]

約数ペア:

[(1, 1294270840), (2, 647135420), (4, 323567710), (5, 258854168), (8, 161783855), (10, 129427084), (20, 64713542), (40, 32356771), (2707, 478120), (5414, 239060), (10828, 119530), (11953, 108280), (13535, 95624), (21656, 59765), (23906, 54140), (27070, 47812)]