90303560

素因数分解:

$2^3\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{1709}}^1$

素因数の和:3041

約数の個数: 32

約数和(自身を含む): 203455800

約数和(自身を除く): 113152240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1321, 1709, 2642, 3418, 5284, 6605, 6836, 8545, 10568, 13210, 13672, 17090, 26420, 34180, 52840, 68360, 2257589, 4515178, 9030356, 11287945, 18060712, 22575890, 45151780, 90303560]

約数ペア:

[(1, 90303560), (2, 45151780), (4, 22575890), (5, 18060712), (8, 11287945), (10, 9030356), (20, 4515178), (40, 2257589), (1321, 68360), (1709, 52840), (2642, 34180), (3418, 26420), (5284, 17090), (6605, 13672), (6836, 13210), (8545, 10568)]