12738520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10273}}^1$

素因数の和:10315

約数の個数: 32

約数和(自身を含む): 29589120

約数和(自身を除く): 16850600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 10273, 20546, 41092, 51365, 82184, 102730, 205460, 318463, 410920, 636926, 1273852, 1592315, 2547704, 3184630, 6369260, 12738520]

約数ペア:

[(1, 12738520), (2, 6369260), (4, 3184630), (5, 2547704), (8, 1592315), (10, 1273852), (20, 636926), (31, 410920), (40, 318463), (62, 205460), (124, 102730), (155, 82184), (248, 51365), (310, 41092), (620, 20546), (1240, 10273)]