2531703640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3331189}}^1$

素因数の和:3331219

約数の個数: 32

約数和(自身を含む): 5996142000

約数和(自身を除く): 3464438360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 3331189, 6662378, 13324756, 16655945, 26649512, 33311890, 63292591, 66623780, 126585182, 133247560, 253170364, 316462955, 506340728, 632925910, 1265851820, 2531703640]

約数ペア:

[(1, 2531703640), (2, 1265851820), (4, 632925910), (5, 506340728), (8, 316462955), (10, 253170364), (19, 133247560), (20, 126585182), (38, 66623780), (40, 63292591), (76, 33311890), (95, 26649512), (152, 16655945), (190, 13324756), (380, 6662378), (760, 3331189)]