90347720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{30941}}^1$

素因数の和:31025

約数の個数: 32

約数和(自身を含む): 206073720

約数和(自身を除く): 115726000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 30941, 61882, 123764, 154705, 247528, 309410, 618820, 1237640, 2258693, 4517386, 9034772, 11293465, 18069544, 22586930, 45173860, 90347720]

約数ペア:

[(1, 90347720), (2, 45173860), (4, 22586930), (5, 18069544), (8, 11293465), (10, 9034772), (20, 4517386), (40, 2258693), (73, 1237640), (146, 618820), (292, 309410), (365, 247528), (584, 154705), (730, 123764), (1460, 61882), (2920, 30941)]