1971580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7583}}^1$

素因数の和:7605

約数の個数: 24

約数和(自身を含む): 4459392

約数和(自身を除く): 2487812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7583, 15166, 30332, 37915, 75830, 98579, 151660, 197158, 394316, 492895, 985790, 1971580]

約数ペア:

[(1, 1971580), (2, 985790), (4, 492895), (5, 394316), (10, 197158), (13, 151660), (20, 98579), (26, 75830), (52, 37915), (65, 30332), (130, 15166), (260, 7583)]