40939540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1459}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 91244160

約数和(自身を除く): 50304620

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 230, 244, 305, 460, 610, 1220, 1403, 1459, 2806, 2918, 5612, 5836, 7015, 7295, 14030, 14590, 28060, 29180, 33557, 67114, 88999, 134228, 167785, 177998, 335570, 355996, 444995, 671140, 889990, 1779980, 2046977, 4093954, 8187908, 10234885, 20469770, 40939540]

約数ペア:

[(1, 40939540), (2, 20469770), (4, 10234885), (5, 8187908), (10, 4093954), (20, 2046977), (23, 1779980), (46, 889990), (61, 671140), (92, 444995), (115, 355996), (122, 335570), (230, 177998), (244, 167785), (305, 134228), (460, 88999), (610, 67114), (1220, 33557), (1403, 29180), (1459, 28060), (2806, 14590), (2918, 14030), (5612, 7295), (5836, 7015)]