5263180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 12305664

約数和(自身を除く): 7042484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 653, 806, 1306, 1612, 2015, 2612, 3265, 4030, 6530, 8060, 8489, 13060, 16978, 20243, 33956, 40486, 42445, 80972, 84890, 101215, 169780, 202430, 263159, 404860, 526318, 1052636, 1315795, 2631590, 5263180]

約数ペア:

[(1, 5263180), (2, 2631590), (4, 1315795), (5, 1052636), (10, 526318), (13, 404860), (20, 263159), (26, 202430), (31, 169780), (52, 101215), (62, 84890), (65, 80972), (124, 42445), (130, 40486), (155, 33956), (260, 20243), (310, 16978), (403, 13060), (620, 8489), (653, 8060), (806, 6530), (1306, 4030), (1612, 3265), (2015, 2612)]