22720480

素因数分解:

$2^5\times 5^1\times {\mathrm{211}}^1\times {\mathrm{673}}^1$

素因数の和:899

約数の個数: 48

約数和(自身を含む): 54011664

約数和(自身を除く): 31291184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 211, 422, 673, 844, 1055, 1346, 1688, 2110, 2692, 3365, 3376, 4220, 5384, 6730, 6752, 8440, 10768, 13460, 16880, 21536, 26920, 33760, 53840, 107680, 142003, 284006, 568012, 710015, 1136024, 1420030, 2272048, 2840060, 4544096, 5680120, 11360240, 22720480]

約数ペア:

[(1, 22720480), (2, 11360240), (4, 5680120), (5, 4544096), (8, 2840060), (10, 2272048), (16, 1420030), (20, 1136024), (32, 710015), (40, 568012), (80, 284006), (160, 142003), (211, 107680), (422, 53840), (673, 33760), (844, 26920), (1055, 21536), (1346, 16880), (1688, 13460), (2110, 10768), (2692, 8440), (3365, 6752), (3376, 6730), (4220, 5384)]