9887240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1022

約数の個数: 64

約数和(自身を含む): 25349760

約数和(自身を除く): 15462520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 977, 1012, 1265, 1954, 2024, 2530, 3908, 4885, 5060, 7816, 9770, 10120, 10747, 19540, 21494, 22471, 39080, 42988, 44942, 53735, 85976, 89884, 107470, 112355, 179768, 214940, 224710, 247181, 429880, 449420, 494362, 898840, 988724, 1235905, 1977448, 2471810, 4943620, 9887240]

約数ペア:

[(1, 9887240), (2, 4943620), (4, 2471810), (5, 1977448), (8, 1235905), (10, 988724), (11, 898840), (20, 494362), (22, 449420), (23, 429880), (40, 247181), (44, 224710), (46, 214940), (55, 179768), (88, 112355), (92, 107470), (110, 89884), (115, 85976), (184, 53735), (220, 44942), (230, 42988), (253, 39080), (440, 22471), (460, 21494), (506, 19540), (920, 10747), (977, 10120), (1012, 9770), (1265, 7816), (1954, 5060), (2024, 4885), (2530, 3908)]