26540080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{571}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 71495424

約数和(自身を除く): 44955344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 83, 112, 140, 166, 280, 332, 415, 560, 571, 581, 664, 830, 1142, 1162, 1328, 1660, 2284, 2324, 2855, 2905, 3320, 3997, 4568, 4648, 5710, 5810, 6640, 7994, 9136, 9296, 11420, 11620, 15988, 19985, 22840, 23240, 31976, 39970, 45680, 46480, 47393, 63952, 79940, 94786, 159880, 189572, 236965, 319760, 331751, 379144, 473930, 663502, 758288, 947860, 1327004, 1658755, 1895720, 2654008, 3317510, 3791440, 5308016, 6635020, 13270040, 26540080]

約数ペア:

[(1, 26540080), (2, 13270040), (4, 6635020), (5, 5308016), (7, 3791440), (8, 3317510), (10, 2654008), (14, 1895720), (16, 1658755), (20, 1327004), (28, 947860), (35, 758288), (40, 663502), (56, 473930), (70, 379144), (80, 331751), (83, 319760), (112, 236965), (140, 189572), (166, 159880), (280, 94786), (332, 79940), (415, 63952), (560, 47393), (571, 46480), (581, 45680), (664, 39970), (830, 31976), (1142, 23240), (1162, 22840), (1328, 19985), (1660, 15988), (2284, 11620), (2324, 11420), (2855, 9296), (2905, 9136), (3320, 7994), (3997, 6640), (4568, 5810), (4648, 5710)]