4102540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 9596160

約数和(自身を除く): 5493620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 509, 620, 806, 1018, 1612, 2015, 2036, 2545, 4030, 5090, 6617, 8060, 10180, 13234, 15779, 26468, 31558, 33085, 63116, 66170, 78895, 132340, 157790, 205127, 315580, 410254, 820508, 1025635, 2051270, 4102540]

約数ペア:

[(1, 4102540), (2, 2051270), (4, 1025635), (5, 820508), (10, 410254), (13, 315580), (20, 205127), (26, 157790), (31, 132340), (52, 78895), (62, 66170), (65, 63116), (124, 33085), (130, 31558), (155, 26468), (260, 15779), (310, 13234), (403, 10180), (509, 8060), (620, 6617), (806, 5090), (1018, 4030), (1612, 2545), (2015, 2036)]