86894240

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{17519}}^1$

素因数の和:17565

約数の個数: 48

約数和(自身を含む): 211921920

約数和(自身を除く): 125027680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 17519, 35038, 70076, 87595, 140152, 175190, 280304, 350380, 543089, 560608, 700760, 1086178, 1401520, 2172356, 2715445, 2803040, 4344712, 5430890, 8689424, 10861780, 17378848, 21723560, 43447120, 86894240]

約数ペア:

[(1, 86894240), (2, 43447120), (4, 21723560), (5, 17378848), (8, 10861780), (10, 8689424), (16, 5430890), (20, 4344712), (31, 2803040), (32, 2715445), (40, 2172356), (62, 1401520), (80, 1086178), (124, 700760), (155, 560608), (160, 543089), (248, 350380), (310, 280304), (496, 175190), (620, 140152), (992, 87595), (1240, 70076), (2480, 35038), (4960, 17519)]