31142920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{33851}}^1$

素因数の和:33885

約数の個数: 32

約数和(自身を含む): 73120320

約数和(自身を除く): 41977400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 33851, 67702, 135404, 169255, 270808, 338510, 677020, 778573, 1354040, 1557146, 3114292, 3892865, 6228584, 7785730, 15571460, 31142920]

約数ペア:

[(1, 31142920), (2, 15571460), (4, 7785730), (5, 6228584), (8, 3892865), (10, 3114292), (20, 1557146), (23, 1354040), (40, 778573), (46, 677020), (92, 338510), (115, 270808), (184, 169255), (230, 135404), (460, 67702), (920, 33851)]