49708520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:866

約数の個数: 64

約数和(自身を含む): 118506240

約数和(自身を除く): 68797720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 71, 92, 115, 142, 184, 230, 284, 355, 460, 568, 710, 761, 920, 1420, 1522, 1633, 2840, 3044, 3266, 3805, 6088, 6532, 7610, 8165, 13064, 15220, 16330, 17503, 30440, 32660, 35006, 54031, 65320, 70012, 87515, 108062, 140024, 175030, 216124, 270155, 350060, 432248, 540310, 700120, 1080620, 1242713, 2161240, 2485426, 4970852, 6213565, 9941704, 12427130, 24854260, 49708520]

約数ペア:

[(1, 49708520), (2, 24854260), (4, 12427130), (5, 9941704), (8, 6213565), (10, 4970852), (20, 2485426), (23, 2161240), (40, 1242713), (46, 1080620), (71, 700120), (92, 540310), (115, 432248), (142, 350060), (184, 270155), (230, 216124), (284, 175030), (355, 140024), (460, 108062), (568, 87515), (710, 70012), (761, 65320), (920, 54031), (1420, 35006), (1522, 32660), (1633, 30440), (2840, 17503), (3044, 16330), (3266, 15220), (3805, 13064), (6088, 8165), (6532, 7610)]