55715780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 119795760

約数和(自身を除く): 64079980

約数列:

[1, 2, 4, 5, 10, 20, 89, 113, 178, 226, 277, 356, 445, 452, 554, 565, 890, 1108, 1130, 1385, 1780, 2260, 2770, 5540, 10057, 20114, 24653, 31301, 40228, 49306, 50285, 62602, 98612, 100570, 123265, 125204, 156505, 201140, 246530, 313010, 493060, 626020, 2785789, 5571578, 11143156, 13928945, 27857890, 55715780]

約数ペア:

[(1, 55715780), (2, 27857890), (4, 13928945), (5, 11143156), (10, 5571578), (20, 2785789), (89, 626020), (113, 493060), (178, 313010), (226, 246530), (277, 201140), (356, 156505), (445, 125204), (452, 123265), (554, 100570), (565, 98612), (890, 62602), (1108, 50285), (1130, 49306), (1385, 40228), (1780, 31301), (2260, 24653), (2770, 20114), (5540, 10057)]