22820240

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2617}}^1$

素因数の和:2739

約数の個数: 40

約数和(自身を含む): 53564280

約数和(自身を除く): 30744040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 2617, 4360, 5234, 8720, 10468, 13085, 20936, 26170, 41872, 52340, 104680, 209360, 285253, 570506, 1141012, 1426265, 2282024, 2852530, 4564048, 5705060, 11410120, 22820240]

約数ペア:

[(1, 22820240), (2, 11410120), (4, 5705060), (5, 4564048), (8, 2852530), (10, 2282024), (16, 1426265), (20, 1141012), (40, 570506), (80, 285253), (109, 209360), (218, 104680), (436, 52340), (545, 41872), (872, 26170), (1090, 20936), (1744, 13085), (2180, 10468), (2617, 8720), (4360, 5234)]