4540120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8731}}^1$

素因数の和:8755

約数の個数: 32

約数和(自身を含む): 11002320

約数和(自身を除く): 6462200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 8731, 17462, 34924, 43655, 69848, 87310, 113503, 174620, 227006, 349240, 454012, 567515, 908024, 1135030, 2270060, 4540120]

約数ペア:

[(1, 4540120), (2, 2270060), (4, 1135030), (5, 908024), (8, 567515), (10, 454012), (13, 349240), (20, 227006), (26, 174620), (40, 113503), (52, 87310), (65, 69848), (104, 43655), (130, 34924), (260, 17462), (520, 8731)]