31981880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{114221}}^1$

素因数の和:114239

約数の個数: 32

約数和(自身を含む): 82239840

約数和(自身を除く): 50257960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 114221, 228442, 456884, 571105, 799547, 913768, 1142210, 1599094, 2284420, 3198188, 3997735, 4568840, 6396376, 7995470, 15990940, 31981880]

約数ペア:

[(1, 31981880), (2, 15990940), (4, 7995470), (5, 6396376), (7, 4568840), (8, 3997735), (10, 3198188), (14, 2284420), (20, 1599094), (28, 1142210), (35, 913768), (40, 799547), (56, 571105), (70, 456884), (140, 228442), (280, 114221)]