42947500

素因数分解:

$2^2\times 5^4\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:484

約数の個数: 60

約数和(自身を含む): 96437880

約数和(自身を除く): 53490380

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 410, 419, 500, 625, 820, 838, 1025, 1250, 1676, 2050, 2095, 2500, 4100, 4190, 5125, 8380, 10250, 10475, 17179, 20500, 20950, 25625, 34358, 41900, 51250, 52375, 68716, 85895, 102500, 104750, 171790, 209500, 261875, 343580, 429475, 523750, 858950, 1047500, 1717900, 2147375, 4294750, 8589500, 10736875, 21473750, 42947500]

約数ペア:

[(1, 42947500), (2, 21473750), (4, 10736875), (5, 8589500), (10, 4294750), (20, 2147375), (25, 1717900), (41, 1047500), (50, 858950), (82, 523750), (100, 429475), (125, 343580), (164, 261875), (205, 209500), (250, 171790), (410, 104750), (419, 102500), (500, 85895), (625, 68716), (820, 52375), (838, 51250), (1025, 41900), (1250, 34358), (1676, 25625), (2050, 20950), (2095, 20500), (2500, 17179), (4100, 10475), (4190, 10250), (5125, 8380)]