22372720

素因数分解:

$2^4\times 5^1\times {\mathrm{279659}}^1$

素因数の和:279672

約数の個数: 20

約数和(自身を含む): 52016760

約数和(自身を除く): 29644040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 279659, 559318, 1118636, 1398295, 2237272, 2796590, 4474544, 5593180, 11186360, 22372720]

約数ペア:

[(1, 22372720), (2, 11186360), (4, 5593180), (5, 4474544), (8, 2796590), (10, 2237272), (16, 1398295), (20, 1118636), (40, 559318), (80, 279659)]