22451720

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{983}}^1$

素因数の和:1565

約数の個数: 32

約数和(自身を含む): 50656320

約数和(自身を除く): 28204600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 983, 1142, 1966, 2284, 2855, 3932, 4568, 4915, 5710, 7864, 9830, 11420, 19660, 22840, 39320, 561293, 1122586, 2245172, 2806465, 4490344, 5612930, 11225860, 22451720]

約数ペア:

[(1, 22451720), (2, 11225860), (4, 5612930), (5, 4490344), (8, 2806465), (10, 2245172), (20, 1122586), (40, 561293), (571, 39320), (983, 22840), (1142, 19660), (1966, 11420), (2284, 9830), (2855, 7864), (3932, 5710), (4568, 4915)]