25215520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14327}}^1$

素因数の和:14353

約数の個数: 48

約数和(自身を含む): 64991808

約数和(自身を除く): 39776288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 14327, 28654, 57308, 71635, 114616, 143270, 157597, 229232, 286540, 315194, 458464, 573080, 630388, 787985, 1146160, 1260776, 1575970, 2292320, 2521552, 3151940, 5043104, 6303880, 12607760, 25215520]

約数ペア:

[(1, 25215520), (2, 12607760), (4, 6303880), (5, 5043104), (8, 3151940), (10, 2521552), (11, 2292320), (16, 1575970), (20, 1260776), (22, 1146160), (32, 787985), (40, 630388), (44, 573080), (55, 458464), (80, 315194), (88, 286540), (110, 229232), (160, 157597), (176, 143270), (220, 114616), (352, 71635), (440, 57308), (880, 28654), (1760, 14327)]