66940040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{88079}}^1$

素因数の和:88109

約数の個数: 32

約数和(自身を含む): 158544000

約数和(自身を除く): 91603960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 88079, 176158, 352316, 440395, 704632, 880790, 1673501, 1761580, 3347002, 3523160, 6694004, 8367505, 13388008, 16735010, 33470020, 66940040]

約数ペア:

[(1, 66940040), (2, 33470020), (4, 16735010), (5, 13388008), (8, 8367505), (10, 6694004), (19, 3523160), (20, 3347002), (38, 1761580), (40, 1673501), (76, 880790), (95, 704632), (152, 440395), (190, 352316), (380, 176158), (760, 88079)]