1640079790

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1\times {\mathrm{4493}}^1$

素因数の和:4884

約数の個数: 32

約数和(自身を含む): 2983944096

約数和(自身を除く): 1343864306

約数列:

[1, 2, 5, 10, 173, 211, 346, 422, 865, 1055, 1730, 2110, 4493, 8986, 22465, 36503, 44930, 73006, 182515, 365030, 777289, 948023, 1554578, 1896046, 3886445, 4740115, 7772890, 9480230, 164007979, 328015958, 820039895, 1640079790]

約数ペア:

[(1, 1640079790), (2, 820039895), (5, 328015958), (10, 164007979), (173, 9480230), (211, 7772890), (346, 4740115), (422, 3886445), (865, 1896046), (1055, 1554578), (1730, 948023), (2110, 777289), (4493, 365030), (8986, 182515), (22465, 73006), (36503, 44930)]