90146720

素因数分解:

$2^5\times 5^1\times {\mathrm{563417}}^1$

素因数の和:563432

約数の個数: 24

約数和(自身を含む): 212972004

約数和(自身を除く): 122825284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 563417, 1126834, 2253668, 2817085, 4507336, 5634170, 9014672, 11268340, 18029344, 22536680, 45073360, 90146720]

約数ペア:

[(1, 90146720), (2, 45073360), (4, 22536680), (5, 18029344), (8, 11268340), (10, 9014672), (16, 5634170), (20, 4507336), (32, 2817085), (40, 2253668), (80, 1126834), (160, 563417)]