90756460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{63913}}^1$

素因数の和:63993

約数の個数: 24

約数和(自身を含む): 193275936

約数和(自身を除く): 102519476

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 63913, 127826, 255652, 319565, 639130, 1278260, 4537823, 9075646, 18151292, 22689115, 45378230, 90756460]

約数ペア:

[(1, 90756460), (2, 45378230), (4, 22689115), (5, 18151292), (10, 9075646), (20, 4537823), (71, 1278260), (142, 639130), (284, 319565), (355, 255652), (710, 127826), (1420, 63913)]