12730460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20533}}^1$

素因数の和:20573

約数の個数: 24

約数和(自身を含む): 27597696

約数和(自身を除く): 14867236

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 20533, 41066, 82132, 102665, 205330, 410660, 636523, 1273046, 2546092, 3182615, 6365230, 12730460]

約数ペア:

[(1, 12730460), (2, 6365230), (4, 3182615), (5, 2546092), (10, 1273046), (20, 636523), (31, 410660), (62, 205330), (124, 102665), (155, 82132), (310, 41066), (620, 20533)]