80679320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1279}}^1$

素因数の和:1392

約数の個数: 64

約数和(自身を含む): 193536000

約数和(自身を除く): 112856680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 83, 95, 152, 166, 190, 332, 380, 415, 664, 760, 830, 1279, 1577, 1660, 2558, 3154, 3320, 5116, 6308, 6395, 7885, 10232, 12616, 12790, 15770, 24301, 25580, 31540, 48602, 51160, 63080, 97204, 106157, 121505, 194408, 212314, 243010, 424628, 486020, 530785, 849256, 972040, 1061570, 2016983, 2123140, 4033966, 4246280, 8067932, 10084915, 16135864, 20169830, 40339660, 80679320]

約数ペア:

[(1, 80679320), (2, 40339660), (4, 20169830), (5, 16135864), (8, 10084915), (10, 8067932), (19, 4246280), (20, 4033966), (38, 2123140), (40, 2016983), (76, 1061570), (83, 972040), (95, 849256), (152, 530785), (166, 486020), (190, 424628), (332, 243010), (380, 212314), (415, 194408), (664, 121505), (760, 106157), (830, 97204), (1279, 63080), (1577, 51160), (1660, 48602), (2558, 31540), (3154, 25580), (3320, 24301), (5116, 15770), (6308, 12790), (6395, 12616), (7885, 10232)]