20180860040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{445297}}^1$

素因数の和:445422

約数の個数: 64

約数和(自身を含む): 50015871360

約数和(自身を除く): 29835011320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 206, 220, 412, 440, 515, 824, 1030, 1133, 2060, 2266, 4120, 4532, 5665, 9064, 11330, 22660, 45320, 445297, 890594, 1781188, 2226485, 3562376, 4452970, 4898267, 8905940, 9796534, 17811880, 19593068, 24491335, 39186136, 45865591, 48982670, 91731182, 97965340, 183462364, 195930680, 229327955, 366924728, 458655910, 504521501, 917311820, 1009043002, 1834623640, 2018086004, 2522607505, 4036172008, 5045215010, 10090430020, 20180860040]

約数ペア:

[(1, 20180860040), (2, 10090430020), (4, 5045215010), (5, 4036172008), (8, 2522607505), (10, 2018086004), (11, 1834623640), (20, 1009043002), (22, 917311820), (40, 504521501), (44, 458655910), (55, 366924728), (88, 229327955), (103, 195930680), (110, 183462364), (206, 97965340), (220, 91731182), (412, 48982670), (440, 45865591), (515, 39186136), (824, 24491335), (1030, 19593068), (1133, 17811880), (2060, 9796534), (2266, 8905940), (4120, 4898267), (4532, 4452970), (5665, 3562376), (9064, 2226485), (11330, 1781188), (22660, 890594), (45320, 445297)]