9111640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{631}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 21671280

約数和(自身を除く): 12559640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 631, 722, 760, 1262, 1444, 1805, 2524, 2888, 3155, 3610, 5048, 6310, 7220, 11989, 12620, 14440, 23978, 25240, 47956, 59945, 95912, 119890, 227791, 239780, 455582, 479560, 911164, 1138955, 1822328, 2277910, 4555820, 9111640]

約数ペア:

[(1, 9111640), (2, 4555820), (4, 2277910), (5, 1822328), (8, 1138955), (10, 911164), (19, 479560), (20, 455582), (38, 239780), (40, 227791), (76, 119890), (95, 95912), (152, 59945), (190, 47956), (361, 25240), (380, 23978), (631, 14440), (722, 12620), (760, 11989), (1262, 7220), (1444, 6310), (1805, 5048), (2524, 3610), (2888, 3155)]