80873260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 187046496

約数和(自身を除く): 106173236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 169, 260, 284, 337, 338, 355, 674, 676, 710, 845, 923, 1348, 1420, 1685, 1690, 1846, 3370, 3380, 3692, 4381, 4615, 6740, 8762, 9230, 11999, 17524, 18460, 21905, 23927, 23998, 43810, 47854, 47996, 56953, 59995, 87620, 95708, 113906, 119635, 119990, 227812, 239270, 239980, 284765, 311051, 478540, 569530, 622102, 1139060, 1244204, 1555255, 3110510, 4043663, 6221020, 8087326, 16174652, 20218315, 40436630, 80873260]

約数ペア:

[(1, 80873260), (2, 40436630), (4, 20218315), (5, 16174652), (10, 8087326), (13, 6221020), (20, 4043663), (26, 3110510), (52, 1555255), (65, 1244204), (71, 1139060), (130, 622102), (142, 569530), (169, 478540), (260, 311051), (284, 284765), (337, 239980), (338, 239270), (355, 227812), (674, 119990), (676, 119635), (710, 113906), (845, 95708), (923, 87620), (1348, 59995), (1420, 56953), (1685, 47996), (1690, 47854), (1846, 43810), (3370, 23998), (3380, 23927), (3692, 21905), (4381, 18460), (4615, 17524), (6740, 11999), (8762, 9230)]