98808880

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{3539}}^1$

素因数の和:3901

約数の個数: 40

約数和(自身を含む): 230454000

約数和(自身を除く): 131645120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 1396, 1745, 2792, 3490, 3539, 5584, 6980, 7078, 13960, 14156, 17695, 27920, 28312, 35390, 56624, 70780, 141560, 283120, 1235111, 2470222, 4940444, 6175555, 9880888, 12351110, 19761776, 24702220, 49404440, 98808880]

約数ペア:

[(1, 98808880), (2, 49404440), (4, 24702220), (5, 19761776), (8, 12351110), (10, 9880888), (16, 6175555), (20, 4940444), (40, 2470222), (80, 1235111), (349, 283120), (698, 141560), (1396, 70780), (1745, 56624), (2792, 35390), (3490, 28312), (3539, 27920), (5584, 17695), (6980, 14156), (7078, 13960)]