12892280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 30862080

約数和(自身を除く): 17969800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 281, 296, 310, 370, 562, 620, 740, 1124, 1147, 1240, 1405, 1480, 2248, 2294, 2810, 4588, 5620, 5735, 8711, 9176, 10397, 11240, 11470, 17422, 20794, 22940, 34844, 41588, 43555, 45880, 51985, 69688, 83176, 87110, 103970, 174220, 207940, 322307, 348440, 415880, 644614, 1289228, 1611535, 2578456, 3223070, 6446140, 12892280]

約数ペア:

[(1, 12892280), (2, 6446140), (4, 3223070), (5, 2578456), (8, 1611535), (10, 1289228), (20, 644614), (31, 415880), (37, 348440), (40, 322307), (62, 207940), (74, 174220), (124, 103970), (148, 87110), (155, 83176), (185, 69688), (248, 51985), (281, 45880), (296, 43555), (310, 41588), (370, 34844), (562, 22940), (620, 20794), (740, 17422), (1124, 11470), (1147, 11240), (1240, 10397), (1405, 9176), (1480, 8711), (2248, 5735), (2294, 5620), (2810, 4588)]