38695000

素因数分解:

$2^3\times 5^4\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 92782800

約数和(自身を除く): 54087800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 109, 125, 142, 200, 218, 250, 284, 355, 436, 500, 545, 568, 625, 710, 872, 1000, 1090, 1250, 1420, 1775, 2180, 2500, 2725, 2840, 3550, 4360, 5000, 5450, 7100, 7739, 8875, 10900, 13625, 14200, 15478, 17750, 21800, 27250, 30956, 35500, 38695, 44375, 54500, 61912, 68125, 71000, 77390, 88750, 109000, 136250, 154780, 177500, 193475, 272500, 309560, 355000, 386950, 545000, 773900, 967375, 1547800, 1934750, 3869500, 4836875, 7739000, 9673750, 19347500, 38695000]

約数ペア:

[(1, 38695000), (2, 19347500), (4, 9673750), (5, 7739000), (8, 4836875), (10, 3869500), (20, 1934750), (25, 1547800), (40, 967375), (50, 773900), (71, 545000), (100, 386950), (109, 355000), (125, 309560), (142, 272500), (200, 193475), (218, 177500), (250, 154780), (284, 136250), (355, 109000), (436, 88750), (500, 77390), (545, 71000), (568, 68125), (625, 61912), (710, 54500), (872, 44375), (1000, 38695), (1090, 35500), (1250, 30956), (1420, 27250), (1775, 21800), (2180, 17750), (2500, 15478), (2725, 14200), (2840, 13625), (3550, 10900), (4360, 8875), (5000, 7739), (5450, 7100)]