66281860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1619}}^1$

素因数の和:1740

約数の個数: 48

約数和(自身を含む): 146966400

約数和(自身を除く): 80684540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 230, 356, 445, 460, 890, 1619, 1780, 2047, 3238, 4094, 6476, 8095, 8188, 10235, 16190, 20470, 32380, 37237, 40940, 74474, 144091, 148948, 186185, 288182, 372370, 576364, 720455, 744740, 1440910, 2881820, 3314093, 6628186, 13256372, 16570465, 33140930, 66281860]

約数ペア:

[(1, 66281860), (2, 33140930), (4, 16570465), (5, 13256372), (10, 6628186), (20, 3314093), (23, 2881820), (46, 1440910), (89, 744740), (92, 720455), (115, 576364), (178, 372370), (230, 288182), (356, 186185), (445, 148948), (460, 144091), (890, 74474), (1619, 40940), (1780, 37237), (2047, 32380), (3238, 20470), (4094, 16190), (6476, 10235), (8095, 8188)]