25808280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{499}}^1$

素因数の和:944

約数の個数: 64

約数和(自身を含む): 77760000

約数和(自身を除く): 51951720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 431, 499, 862, 998, 1293, 1497, 1724, 1996, 2155, 2495, 2586, 2994, 3448, 3992, 4310, 4990, 5172, 5988, 6465, 7485, 8620, 9980, 10344, 11976, 12930, 14970, 17240, 19960, 25860, 29940, 51720, 59880, 215069, 430138, 645207, 860276, 1075345, 1290414, 1720552, 2150690, 2580828, 3226035, 4301380, 5161656, 6452070, 8602760, 12904140, 25808280]

約数ペア:

[(1, 25808280), (2, 12904140), (3, 8602760), (4, 6452070), (5, 5161656), (6, 4301380), (8, 3226035), (10, 2580828), (12, 2150690), (15, 1720552), (20, 1290414), (24, 1075345), (30, 860276), (40, 645207), (60, 430138), (120, 215069), (431, 59880), (499, 51720), (862, 29940), (998, 25860), (1293, 19960), (1497, 17240), (1724, 14970), (1996, 12930), (2155, 11976), (2495, 10344), (2586, 9980), (2994, 8620), (3448, 7485), (3992, 6465), (4310, 5988), (4990, 5172)]