55990000

素因数分解:

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

素因数の和:548

約数の個数: 100

約数和(自身を含む): 148171320

約数和(自身を除く): 92181320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 200, 220, 250, 275, 400, 440, 500, 509, 550, 625, 880, 1000, 1018, 1100, 1250, 1375, 2000, 2036, 2200, 2500, 2545, 2750, 4072, 4400, 5000, 5090, 5500, 5599, 6875, 8144, 10000, 10180, 11000, 11198, 12725, 13750, 20360, 22000, 22396, 25450, 27500, 27995, 40720, 44792, 50900, 55000, 55990, 63625, 89584, 101800, 110000, 111980, 127250, 139975, 203600, 223960, 254500, 279950, 318125, 447920, 509000, 559900, 636250, 699875, 1018000, 1119800, 1272500, 1399750, 2239600, 2545000, 2799500, 3499375, 5090000, 5599000, 6998750, 11198000, 13997500, 27995000, 55990000]

約数ペア:

[(1, 55990000), (2, 27995000), (4, 13997500), (5, 11198000), (8, 6998750), (10, 5599000), (11, 5090000), (16, 3499375), (20, 2799500), (22, 2545000), (25, 2239600), (40, 1399750), (44, 1272500), (50, 1119800), (55, 1018000), (80, 699875), (88, 636250), (100, 559900), (110, 509000), (125, 447920), (176, 318125), (200, 279950), (220, 254500), (250, 223960), (275, 203600), (400, 139975), (440, 127250), (500, 111980), (509, 110000), (550, 101800), (625, 89584), (880, 63625), (1000, 55990), (1018, 55000), (1100, 50900), (1250, 44792), (1375, 40720), (2000, 27995), (2036, 27500), (2200, 25450), (2500, 22396), (2545, 22000), (2750, 20360), (4072, 13750), (4400, 12725), (5000, 11198), (5090, 11000), (5500, 10180), (5599, 10000), (6875, 8144)]