39960520

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2879}}^1$

素因数の和:3237

約数の個数: 32

約数和(自身を含む): 90201600

約数和(自身を除く): 50241080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2776, 2879, 3470, 5758, 6940, 11516, 13880, 14395, 23032, 28790, 57580, 115160, 999013, 1998026, 3996052, 4995065, 7992104, 9990130, 19980260, 39960520]

約数ペア:

[(1, 39960520), (2, 19980260), (4, 9990130), (5, 7992104), (8, 4995065), (10, 3996052), (20, 1998026), (40, 999013), (347, 115160), (694, 57580), (1388, 28790), (1735, 23032), (2776, 14395), (2879, 13880), (3470, 11516), (5758, 6940)]