28507760

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9631}}^1$

素因数の和:9681

約数の個数: 40

約数和(自身を含む): 68078976

約数和(自身を除く): 39571216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 9631, 19262, 38524, 48155, 77048, 96310, 154096, 192620, 356347, 385240, 712694, 770480, 1425388, 1781735, 2850776, 3563470, 5701552, 7126940, 14253880, 28507760]

約数ペア:

[(1, 28507760), (2, 14253880), (4, 7126940), (5, 5701552), (8, 3563470), (10, 2850776), (16, 1781735), (20, 1425388), (37, 770480), (40, 712694), (74, 385240), (80, 356347), (148, 192620), (185, 154096), (296, 96310), (370, 77048), (592, 48155), (740, 38524), (1480, 19262), (2960, 9631)]