90592420

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{22993}}^1$

素因数の和:23199

約数の個数: 24

約数和(自身を含む): 191218104

約数和(自身を除く): 100625684

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 22993, 45986, 91972, 114965, 229930, 459860, 4529621, 9059242, 18118484, 22648105, 45296210, 90592420]

約数ペア:

[(1, 90592420), (2, 45296210), (4, 22648105), (5, 18118484), (10, 9059242), (20, 4529621), (197, 459860), (394, 229930), (788, 114965), (985, 91972), (1970, 45986), (3940, 22993)]