20130744100

素因数分解:

$2^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{1282213}}^1$

素因数の和:1282384

約数の個数: 36

約数和(自身を含む): 43961989204

約数和(自身を除く): 23831245104

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 157, 314, 628, 785, 1570, 3140, 3925, 7850, 15700, 1282213, 2564426, 5128852, 6411065, 12822130, 25644260, 32055325, 64110650, 128221300, 201307441, 402614882, 805229764, 1006537205, 2013074410, 4026148820, 5032686025, 10065372050, 20130744100]

約数ペア:

[(1, 20130744100), (2, 10065372050), (4, 5032686025), (5, 4026148820), (10, 2013074410), (20, 1006537205), (25, 805229764), (50, 402614882), (100, 201307441), (157, 128221300), (314, 64110650), (628, 32055325), (785, 25644260), (1570, 12822130), (3140, 6411065), (3925, 5128852), (7850, 2564426), (15700, 1282213)]