25205510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:629

約数の個数: 48

約数和(自身を含む): 51308208

約数和(自身を除く): 26102698

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 121, 185, 242, 370, 407, 563, 605, 814, 1126, 1210, 2035, 2815, 4070, 4477, 5630, 6193, 8954, 12386, 20831, 22385, 30965, 41662, 44770, 61930, 68123, 104155, 136246, 208310, 229141, 340615, 458282, 681230, 1145705, 2291410, 2520551, 5041102, 12602755, 25205510]

約数ペア:

[(1, 25205510), (2, 12602755), (5, 5041102), (10, 2520551), (11, 2291410), (22, 1145705), (37, 681230), (55, 458282), (74, 340615), (110, 229141), (121, 208310), (185, 136246), (242, 104155), (370, 68123), (407, 61930), (563, 44770), (605, 41662), (814, 30965), (1126, 22385), (1210, 20831), (2035, 12386), (2815, 8954), (4070, 6193), (4477, 5630)]