27995000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{509}}^1$

素因数の和:546

約数の個数: 80

約数和(自身を含む): 71695800

約数和(自身を除く): 43700800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 509, 550, 625, 1000, 1018, 1100, 1250, 1375, 2036, 2200, 2500, 2545, 2750, 4072, 5000, 5090, 5500, 5599, 6875, 10180, 11000, 11198, 12725, 13750, 20360, 22396, 25450, 27500, 27995, 44792, 50900, 55000, 55990, 63625, 101800, 111980, 127250, 139975, 223960, 254500, 279950, 318125, 509000, 559900, 636250, 699875, 1119800, 1272500, 1399750, 2545000, 2799500, 3499375, 5599000, 6998750, 13997500, 27995000]

約数ペア:

[(1, 27995000), (2, 13997500), (4, 6998750), (5, 5599000), (8, 3499375), (10, 2799500), (11, 2545000), (20, 1399750), (22, 1272500), (25, 1119800), (40, 699875), (44, 636250), (50, 559900), (55, 509000), (88, 318125), (100, 279950), (110, 254500), (125, 223960), (200, 139975), (220, 127250), (250, 111980), (275, 101800), (440, 63625), (500, 55990), (509, 55000), (550, 50900), (625, 44792), (1000, 27995), (1018, 27500), (1100, 25450), (1250, 22396), (1375, 20360), (2036, 13750), (2200, 12725), (2500, 11198), (2545, 11000), (2750, 10180), (4072, 6875), (5000, 5599), (5090, 5500)]