40388660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5011}}^1$

素因数の和:5064

約数の個数: 48

約数和(自身を含む): 94305792

約数和(自身を除く): 53917132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 5011, 8060, 10022, 20044, 25055, 50110, 65143, 100220, 130286, 155341, 260572, 310682, 325715, 621364, 651430, 776705, 1302860, 1553410, 2019433, 3106820, 4038866, 8077732, 10097165, 20194330, 40388660]

約数ペア:

[(1, 40388660), (2, 20194330), (4, 10097165), (5, 8077732), (10, 4038866), (13, 3106820), (20, 2019433), (26, 1553410), (31, 1302860), (52, 776705), (62, 651430), (65, 621364), (124, 325715), (130, 310682), (155, 260572), (260, 155341), (310, 130286), (403, 100220), (620, 65143), (806, 50110), (1612, 25055), (2015, 20044), (4030, 10022), (5011, 8060)]