80722480

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{12157}}^1$

素因数の和:12253

約数の個数: 40

約数和(自身を含む): 189956592

約数和(自身を除く): 109234112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 12157, 24314, 48628, 60785, 97256, 121570, 194512, 243140, 486280, 972560, 1009031, 2018062, 4036124, 5045155, 8072248, 10090310, 16144496, 20180620, 40361240, 80722480]

約数ペア:

[(1, 80722480), (2, 40361240), (4, 20180620), (5, 16144496), (8, 10090310), (10, 8072248), (16, 5045155), (20, 4036124), (40, 2018062), (80, 1009031), (83, 972560), (166, 486280), (332, 243140), (415, 194512), (664, 121570), (830, 97256), (1328, 60785), (1660, 48628), (3320, 24314), (6640, 12157)]