54993125

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:471

約数の個数: 40

約数和(自身を含む): 79099680

約数和(自身を除く): 24106555

約数列:

[1, 5, 11, 19, 25, 55, 95, 125, 209, 275, 421, 475, 625, 1045, 1375, 2105, 2375, 4631, 5225, 6875, 7999, 10525, 11875, 23155, 26125, 39995, 52625, 87989, 115775, 130625, 199975, 263125, 439945, 578875, 999875, 2199725, 2894375, 4999375, 10998625, 54993125]

約数ペア:

[(1, 54993125), (5, 10998625), (11, 4999375), (19, 2894375), (25, 2199725), (55, 999875), (95, 578875), (125, 439945), (209, 263125), (275, 199975), (421, 130625), (475, 115775), (625, 87989), (1045, 52625), (1375, 39995), (2105, 26125), (2375, 23155), (4631, 11875), (5225, 10525), (6875, 7999)]