26430080

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{677}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 64315080

約数和(自身を除く): 37885000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 677, 976, 1220, 1354, 1952, 2440, 2708, 3385, 3904, 4880, 5416, 6770, 7808, 9760, 10832, 13540, 19520, 21664, 27080, 39040, 41297, 43328, 54160, 82594, 86656, 108320, 165188, 206485, 216640, 330376, 412970, 433280, 660752, 825940, 1321504, 1651880, 2643008, 3303760, 5286016, 6607520, 13215040, 26430080]

約数ペア:

[(1, 26430080), (2, 13215040), (4, 6607520), (5, 5286016), (8, 3303760), (10, 2643008), (16, 1651880), (20, 1321504), (32, 825940), (40, 660752), (61, 433280), (64, 412970), (80, 330376), (122, 216640), (128, 206485), (160, 165188), (244, 108320), (305, 86656), (320, 82594), (488, 54160), (610, 43328), (640, 41297), (677, 39040), (976, 27080), (1220, 21664), (1354, 19520), (1952, 13540), (2440, 10832), (2708, 9760), (3385, 7808), (3904, 6770), (4880, 5416)]