80886820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{6961}}^1$

素因数の和:7060

約数の個数: 48

約数和(自身を含む): 196495488

約数和(自身を除く): 115608668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 2324, 2905, 5810, 6961, 11620, 13922, 27844, 34805, 48727, 69610, 97454, 139220, 194908, 243635, 487270, 577763, 974540, 1155526, 2311052, 2888815, 4044341, 5777630, 8088682, 11555260, 16177364, 20221705, 40443410, 80886820]

約数ペア:

[(1, 80886820), (2, 40443410), (4, 20221705), (5, 16177364), (7, 11555260), (10, 8088682), (14, 5777630), (20, 4044341), (28, 2888815), (35, 2311052), (70, 1155526), (83, 974540), (140, 577763), (166, 487270), (332, 243635), (415, 194908), (581, 139220), (830, 97454), (1162, 69610), (1660, 48727), (2324, 34805), (2905, 27844), (5810, 13922), (6961, 11620)]