25211560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5209}}^1$

素因数の和:5242

約数の個数: 48

約数和(自身を含む): 62363700

約数和(自身を除く): 37152140

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 5209, 10418, 20836, 26045, 41672, 52090, 57299, 104180, 114598, 208360, 229196, 286495, 458392, 572990, 630289, 1145980, 1260578, 2291960, 2521156, 3151445, 5042312, 6302890, 12605780, 25211560]

約数ペア:

[(1, 25211560), (2, 12605780), (4, 6302890), (5, 5042312), (8, 3151445), (10, 2521156), (11, 2291960), (20, 1260578), (22, 1145980), (40, 630289), (44, 572990), (55, 458392), (88, 286495), (110, 229196), (121, 208360), (220, 114598), (242, 104180), (440, 57299), (484, 52090), (605, 41672), (968, 26045), (1210, 20836), (2420, 10418), (4840, 5209)]