80043625

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 105131520

約数和(自身を除く): 25087895

約数列:

[1, 5, 25, 29, 71, 125, 145, 311, 355, 725, 1555, 1775, 2059, 3625, 7775, 8875, 9019, 10295, 22081, 38875, 45095, 51475, 110405, 225475, 257375, 552025, 640349, 1127375, 2760125, 3201745, 16008725, 80043625]

約数ペア:

[(1, 80043625), (5, 16008725), (25, 3201745), (29, 2760125), (71, 1127375), (125, 640349), (145, 552025), (311, 257375), (355, 225475), (725, 110405), (1555, 51475), (1775, 45095), (2059, 38875), (3625, 22081), (7775, 10295), (8875, 9019)]