25298680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5227}}^1$

素因数の和:5260

約数の個数: 48

約数和(自身を含む): 62579160

約数和(自身を除く): 37280480

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, 5227, 10454, 20908, 26135, 41816, 52270, 57497, 104540, 114994, 209080, 229988, 287485, 459976, 574970, 632467, 1149940, 1264934, 2299880, 2529868, 3162335, 5059736, 6324670, 12649340, 25298680]

約数ペア:

[(1, 25298680), (2, 12649340), (4, 6324670), (5, 5059736), (8, 3162335), (10, 2529868), (11, 2299880), (20, 1264934), (22, 1149940), (40, 632467), (44, 574970), (55, 459976), (88, 287485), (110, 229988), (121, 209080), (220, 114994), (242, 104540), (440, 57497), (484, 52270), (605, 41816), (968, 26135), (1210, 20908), (2420, 10454), (4840, 5227)]