86550760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 202567680

約数和(自身を除く): 116016920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 223, 248, 310, 313, 446, 620, 626, 892, 1115, 1240, 1252, 1565, 1784, 2230, 2504, 3130, 4460, 6260, 6913, 8920, 9703, 12520, 13826, 19406, 27652, 34565, 38812, 48515, 55304, 69130, 69799, 77624, 97030, 138260, 139598, 194060, 276520, 279196, 348995, 388120, 558392, 697990, 1395980, 2163769, 2791960, 4327538, 8655076, 10818845, 17310152, 21637690, 43275380, 86550760]

約数ペア:

[(1, 86550760), (2, 43275380), (4, 21637690), (5, 17310152), (8, 10818845), (10, 8655076), (20, 4327538), (31, 2791960), (40, 2163769), (62, 1395980), (124, 697990), (155, 558392), (223, 388120), (248, 348995), (310, 279196), (313, 276520), (446, 194060), (620, 139598), (626, 138260), (892, 97030), (1115, 77624), (1240, 69799), (1252, 69130), (1565, 55304), (1784, 48515), (2230, 38812), (2504, 34565), (3130, 27652), (4460, 19406), (6260, 13826), (6913, 12520), (8920, 9703)]