2093148520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{2609}}^1$

素因数の和:3298

約数の個数: 64

約数和(自身を含む): 4870886400

約数和(自身を除く): 2777737880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 647, 1240, 1294, 2588, 2609, 3235, 5176, 5218, 6470, 10436, 12940, 13045, 20057, 20872, 25880, 26090, 40114, 52180, 80228, 80879, 100285, 104360, 160456, 161758, 200570, 323516, 401140, 404395, 647032, 802280, 808790, 1617580, 1688023, 3235160, 3376046, 6752092, 8440115, 13504184, 16880230, 33760460, 52328713, 67520920, 104657426, 209314852, 261643565, 418629704, 523287130, 1046574260, 2093148520]

約数ペア:

[(1, 2093148520), (2, 1046574260), (4, 523287130), (5, 418629704), (8, 261643565), (10, 209314852), (20, 104657426), (31, 67520920), (40, 52328713), (62, 33760460), (124, 16880230), (155, 13504184), (248, 8440115), (310, 6752092), (620, 3376046), (647, 3235160), (1240, 1688023), (1294, 1617580), (2588, 808790), (2609, 802280), (3235, 647032), (5176, 404395), (5218, 401140), (6470, 323516), (10436, 200570), (12940, 161758), (13045, 160456), (20057, 104360), (20872, 100285), (25880, 80879), (26090, 80228), (40114, 52180)]