19998750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{5333}}^1$

素因数の和:5358

約数の個数: 40

約数和(自身を含む): 49990248

約数和(自身を除く): 29991498

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 625, 750, 1250, 1875, 3750, 5333, 10666, 15999, 26665, 31998, 53330, 79995, 133325, 159990, 266650, 399975, 666625, 799950, 1333250, 1999875, 3333125, 3999750, 6666250, 9999375, 19998750]

約数ペア:

[(1, 19998750), (2, 9999375), (3, 6666250), (5, 3999750), (6, 3333125), (10, 1999875), (15, 1333250), (25, 799950), (30, 666625), (50, 399975), (75, 266650), (125, 159990), (150, 133325), (250, 79995), (375, 53330), (625, 31998), (750, 26665), (1250, 15999), (1875, 10666), (3750, 5333)]