71631220

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{35461}}^1$

素因数の和:35571

約数の個数: 24

約数和(自身を含む): 151919208

約数和(自身を除く): 80287988

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 35461, 70922, 141844, 177305, 354610, 709220, 3581561, 7163122, 14326244, 17907805, 35815610, 71631220]

約数ペア:

[(1, 71631220), (2, 35815610), (4, 17907805), (5, 14326244), (10, 7163122), (20, 3581561), (101, 709220), (202, 354610), (404, 177305), (505, 141844), (1010, 70922), (2020, 35461)]