8440480

素因数分解:

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

素因数の和:829

約数の個数: 48

約数和(自身を含む): 20248704

約数和(自身を除く): 11808224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 743, 1136, 1420, 1486, 2272, 2840, 2972, 3715, 5680, 5944, 7430, 11360, 11888, 14860, 23776, 29720, 52753, 59440, 105506, 118880, 211012, 263765, 422024, 527530, 844048, 1055060, 1688096, 2110120, 4220240, 8440480]

約数ペア:

[(1, 8440480), (2, 4220240), (4, 2110120), (5, 1688096), (8, 1055060), (10, 844048), (16, 527530), (20, 422024), (32, 263765), (40, 211012), (71, 118880), (80, 105506), (142, 59440), (160, 52753), (284, 29720), (355, 23776), (568, 14860), (710, 11888), (743, 11360), (1136, 7430), (1420, 5944), (1486, 5680), (2272, 3715), (2840, 2972)]