4220240

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{743}}^1$

素因数の和:827

約数の個数: 40

約数和(自身を含む): 9963648

約数和(自身を除く): 5743408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 743, 1136, 1420, 1486, 2840, 2972, 3715, 5680, 5944, 7430, 11888, 14860, 29720, 52753, 59440, 105506, 211012, 263765, 422024, 527530, 844048, 1055060, 2110120, 4220240]

約数ペア:

[(1, 4220240), (2, 2110120), (4, 1055060), (5, 844048), (8, 527530), (10, 422024), (16, 263765), (20, 211012), (40, 105506), (71, 59440), (80, 52753), (142, 29720), (284, 14860), (355, 11888), (568, 7430), (710, 5944), (743, 5680), (1136, 3715), (1420, 2972), (1486, 2840)]