72052720

素因数分解:

$2^4\times 5^1\times {\mathrm{900659}}^1$

素因数の和:900672

約数の個数: 20

約数和(自身を含む): 167522760

約数和(自身を除く): 95470040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 900659, 1801318, 3602636, 4503295, 7205272, 9006590, 14410544, 18013180, 36026360, 72052720]

約数ペア:

[(1, 72052720), (2, 36026360), (4, 18013180), (5, 14410544), (8, 9006590), (10, 7205272), (16, 4503295), (20, 3602636), (40, 1801318), (80, 900659)]