15304893125

素因数分解:

$5^4\times {\mathrm{71}}^1\times {\mathrm{311}}^1\times {\mathrm{1109}}^1$

素因数の和:1511

約数の個数: 40

約数和(自身を含む): 19474266240

約数和(自身を除く): 4169373115

約数列:

[1, 5, 25, 71, 125, 311, 355, 625, 1109, 1555, 1775, 5545, 7775, 8875, 22081, 27725, 38875, 44375, 78739, 110405, 138625, 194375, 344899, 393695, 552025, 693125, 1724495, 1968475, 2760125, 8622475, 9842375, 13800625, 24487829, 43112375, 49211875, 122439145, 215561875, 612195725, 3060978625, 15304893125]

約数ペア:

[(1, 15304893125), (5, 3060978625), (25, 612195725), (71, 215561875), (125, 122439145), (311, 49211875), (355, 43112375), (625, 24487829), (1109, 13800625), (1555, 9842375), (1775, 8622475), (5545, 2760125), (7775, 1968475), (8875, 1724495), (22081, 693125), (27725, 552025), (38875, 393695), (44375, 344899), (78739, 194375), (110405, 138625)]