26460140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{571}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 63807744

約数和(自身を除く): 37347604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 331, 571, 662, 1142, 1324, 1655, 2284, 2317, 2855, 3310, 3997, 4634, 5710, 6620, 7994, 9268, 11420, 11585, 15988, 19985, 23170, 39970, 46340, 79940, 189001, 378002, 756004, 945005, 1323007, 1890010, 2646014, 3780020, 5292028, 6615035, 13230070, 26460140]

約数ペア:

[(1, 26460140), (2, 13230070), (4, 6615035), (5, 5292028), (7, 3780020), (10, 2646014), (14, 1890010), (20, 1323007), (28, 945005), (35, 756004), (70, 378002), (140, 189001), (331, 79940), (571, 46340), (662, 39970), (1142, 23170), (1324, 19985), (1655, 15988), (2284, 11585), (2317, 11420), (2855, 9268), (3310, 7994), (3997, 6620), (4634, 5710)]