2018052040

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{4373}}^1$

素因数の和:4606

約数の個数: 64

約数和(自身を含む): 4629441600

約数和(自身を除く): 2611389560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 139, 166, 278, 332, 415, 556, 664, 695, 830, 1112, 1390, 1660, 2780, 3320, 4373, 5560, 8746, 11537, 17492, 21865, 23074, 34984, 43730, 46148, 57685, 87460, 92296, 115370, 174920, 230740, 362959, 461480, 607847, 725918, 1215694, 1451836, 1814795, 2431388, 2903672, 3039235, 3629590, 4862776, 6078470, 7259180, 12156940, 14518360, 24313880, 50451301, 100902602, 201805204, 252256505, 403610408, 504513010, 1009026020, 2018052040]

約数ペア:

[(1, 2018052040), (2, 1009026020), (4, 504513010), (5, 403610408), (8, 252256505), (10, 201805204), (20, 100902602), (40, 50451301), (83, 24313880), (139, 14518360), (166, 12156940), (278, 7259180), (332, 6078470), (415, 4862776), (556, 3629590), (664, 3039235), (695, 2903672), (830, 2431388), (1112, 1814795), (1390, 1451836), (1660, 1215694), (2780, 725918), (3320, 607847), (4373, 461480), (5560, 362959), (8746, 230740), (11537, 174920), (17492, 115370), (21865, 92296), (23074, 87460), (34984, 57685), (43730, 46148)]