49279280

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1861}}^1$

素因数の和:2205

約数の個数: 40

約数和(自身を含む): 114982224

約数和(自身を除く): 65702944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 1861, 2648, 3310, 3722, 5296, 6620, 7444, 9305, 13240, 14888, 18610, 26480, 29776, 37220, 74440, 148880, 615991, 1231982, 2463964, 3079955, 4927928, 6159910, 9855856, 12319820, 24639640, 49279280]

約数ペア:

[(1, 49279280), (2, 24639640), (4, 12319820), (5, 9855856), (8, 6159910), (10, 4927928), (16, 3079955), (20, 2463964), (40, 1231982), (80, 615991), (331, 148880), (662, 74440), (1324, 37220), (1655, 29776), (1861, 26480), (2648, 18610), (3310, 14888), (3722, 13240), (5296, 9305), (6620, 7444)]