20138448080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13248979}}^1$

素因数の和:13249011

約数の個数: 40

約数和(自身を含む): 49286205600

約数和(自身を除く): 29147757520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 13248979, 26497958, 52995916, 66244895, 105991832, 132489790, 211983664, 251730601, 264979580, 503461202, 529959160, 1006922404, 1059918320, 1258653005, 2013844808, 2517306010, 4027689616, 5034612020, 10069224040, 20138448080]

約数ペア:

[(1, 20138448080), (2, 10069224040), (4, 5034612020), (5, 4027689616), (8, 2517306010), (10, 2013844808), (16, 1258653005), (19, 1059918320), (20, 1006922404), (38, 529959160), (40, 503461202), (76, 264979580), (80, 251730601), (95, 211983664), (152, 132489790), (190, 105991832), (304, 66244895), (380, 52995916), (760, 26497958), (1520, 13248979)]