20160701720

素因数分解:

$2^3\times 5^1\times {\mathrm{23789}}^1\times {\mathrm{21187}}^1$

素因数の和:44987

約数の個数: 32

約数和(自身を含む): 45365626800

約数和(自身を除く): 25204925080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21187, 23789, 42374, 47578, 84748, 95156, 105935, 118945, 169496, 190312, 211870, 237890, 423740, 475780, 847480, 951560, 504017543, 1008035086, 2016070172, 2520087715, 4032140344, 5040175430, 10080350860, 20160701720]

約数ペア:

[(1, 20160701720), (2, 10080350860), (4, 5040175430), (5, 4032140344), (8, 2520087715), (10, 2016070172), (20, 1008035086), (40, 504017543), (21187, 951560), (23789, 847480), (42374, 475780), (47578, 423740), (84748, 237890), (95156, 211870), (105935, 190312), (118945, 169496)]