31883260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{22453}}^1$

素因数の和:22533

約数の個数: 24

約数和(自身を含む): 67900896

約数和(自身を除く): 36017636

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 22453, 44906, 89812, 112265, 224530, 449060, 1594163, 3188326, 6376652, 7970815, 15941630, 31883260]

約数ペア:

[(1, 31883260), (2, 15941630), (4, 7970815), (5, 6376652), (10, 3188326), (20, 1594163), (71, 449060), (142, 224530), (284, 112265), (355, 89812), (710, 44906), (1420, 22453)]