80969720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3313}}^1$

素因数の和:3384

約数の個数: 64

約数和(自身を含む): 200430720

約数和(自身を除く): 119461000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1222, 1880, 2444, 3055, 3313, 4888, 6110, 6626, 12220, 13252, 16565, 24440, 26504, 33130, 43069, 66260, 86138, 132520, 155711, 172276, 215345, 311422, 344552, 430690, 622844, 778555, 861380, 1245688, 1557110, 1722760, 2024243, 3114220, 4048486, 6228440, 8096972, 10121215, 16193944, 20242430, 40484860, 80969720]

約数ペア:

[(1, 80969720), (2, 40484860), (4, 20242430), (5, 16193944), (8, 10121215), (10, 8096972), (13, 6228440), (20, 4048486), (26, 3114220), (40, 2024243), (47, 1722760), (52, 1557110), (65, 1245688), (94, 861380), (104, 778555), (130, 622844), (188, 430690), (235, 344552), (260, 311422), (376, 215345), (470, 172276), (520, 155711), (611, 132520), (940, 86138), (1222, 66260), (1880, 43069), (2444, 33130), (3055, 26504), (3313, 24440), (4888, 16565), (6110, 13252), (6626, 12220)]