28313725520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18627451}}^1$

素因数の和:18627483

約数の個数: 40

約数和(自身を含む): 69294121440

約数和(自身を除く): 40980395920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 18627451, 37254902, 74509804, 93137255, 149019608, 186274510, 298039216, 353921569, 372549020, 707843138, 745098040, 1415686276, 1490196080, 1769607845, 2831372552, 3539215690, 5662745104, 7078431380, 14156862760, 28313725520]

約数ペア:

[(1, 28313725520), (2, 14156862760), (4, 7078431380), (5, 5662745104), (8, 3539215690), (10, 2831372552), (16, 1769607845), (19, 1490196080), (20, 1415686276), (38, 745098040), (40, 707843138), (76, 372549020), (80, 353921569), (95, 298039216), (152, 186274510), (190, 149019608), (304, 93137255), (380, 74509804), (760, 37254902), (1520, 18627451)]