81640430

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{1151}}^1$

素因数の和:1372

約数の個数: 32

約数和(自身を含む): 151538688

約数和(自身を除く): 69898258

約数列:

[1, 2, 5, 10, 41, 82, 173, 205, 346, 410, 865, 1151, 1730, 2302, 5755, 7093, 11510, 14186, 35465, 47191, 70930, 94382, 199123, 235955, 398246, 471910, 995615, 1991230, 8164043, 16328086, 40820215, 81640430]

約数ペア:

[(1, 81640430), (2, 40820215), (5, 16328086), (10, 8164043), (41, 1991230), (82, 995615), (173, 471910), (205, 398246), (346, 235955), (410, 199123), (865, 94382), (1151, 70930), (1730, 47191), (2302, 35465), (5755, 14186), (7093, 11510)]