210925520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{15601}}^1$

素因数の和:15640

約数の個数: 60

約数和(自身を含む): 531060876

約数和(自身を除く): 320135356

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 15601, 31202, 62404, 78005, 124808, 156010, 202813, 249616, 312020, 405626, 624040, 811252, 1014065, 1248080, 1622504, 2028130, 2636569, 3245008, 4056260, 5273138, 8112520, 10546276, 13182845, 16225040, 21092552, 26365690, 42185104, 52731380, 105462760, 210925520]

約数ペア:

[(1, 210925520), (2, 105462760), (4, 52731380), (5, 42185104), (8, 26365690), (10, 21092552), (13, 16225040), (16, 13182845), (20, 10546276), (26, 8112520), (40, 5273138), (52, 4056260), (65, 3245008), (80, 2636569), (104, 2028130), (130, 1622504), (169, 1248080), (208, 1014065), (260, 811252), (338, 624040), (520, 405626), (676, 312020), (845, 249616), (1040, 202813), (1352, 156010), (1690, 124808), (2704, 78005), (3380, 62404), (6760, 31202), (13520, 15601)]