55788880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{99623}}^1$

素因数の和:99643

約数の個数: 40

約数和(自身を含む): 148240512

約数和(自身を除く): 92451632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 99623, 199246, 398492, 498115, 697361, 796984, 996230, 1394722, 1593968, 1992460, 2789444, 3486805, 3984920, 5578888, 6973610, 7969840, 11157776, 13947220, 27894440, 55788880]

約数ペア:

[(1, 55788880), (2, 27894440), (4, 13947220), (5, 11157776), (7, 7969840), (8, 6973610), (10, 5578888), (14, 3984920), (16, 3486805), (20, 2789444), (28, 1992460), (35, 1593968), (40, 1394722), (56, 996230), (70, 796984), (80, 697361), (112, 498115), (140, 398492), (280, 199246), (560, 99623)]