23643125

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:231

約数の個数: 40

約数和(自身を含む): 34114080

約数和(自身を除く): 10470955

約数列:

[1, 5, 11, 19, 25, 55, 95, 125, 181, 209, 275, 475, 625, 905, 1045, 1375, 1991, 2375, 3439, 4525, 5225, 6875, 9955, 11875, 17195, 22625, 26125, 37829, 49775, 85975, 113125, 130625, 189145, 248875, 429875, 945725, 1244375, 2149375, 4728625, 23643125]

約数ペア:

[(1, 23643125), (5, 4728625), (11, 2149375), (19, 1244375), (25, 945725), (55, 429875), (95, 248875), (125, 189145), (181, 130625), (209, 113125), (275, 85975), (475, 49775), (625, 37829), (905, 26125), (1045, 22625), (1375, 17195), (1991, 11875), (2375, 9955), (3439, 6875), (4525, 5225)]