9390280

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1297}}^1$

素因数の和:1489

約数の個数: 32

約数和(自身を含む): 21261240

約数和(自身を除く): 11870960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1297, 1448, 1810, 2594, 3620, 5188, 6485, 7240, 10376, 12970, 25940, 51880, 234757, 469514, 939028, 1173785, 1878056, 2347570, 4695140, 9390280]

約数ペア:

[(1, 9390280), (2, 4695140), (4, 2347570), (5, 1878056), (8, 1173785), (10, 939028), (20, 469514), (40, 234757), (181, 51880), (362, 25940), (724, 12970), (905, 10376), (1297, 7240), (1448, 6485), (1810, 5188), (2594, 3620)]