64873340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20147}}^1$

素因数の和:20186

約数の個数: 48

約数和(自身を含む): 162473472

約数和(自身を除く): 97600132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 20147, 40294, 80588, 100735, 141029, 201470, 282058, 402940, 463381, 564116, 705145, 926762, 1410290, 1853524, 2316905, 2820580, 3243667, 4633810, 6487334, 9267620, 12974668, 16218335, 32436670, 64873340]

約数ペア:

[(1, 64873340), (2, 32436670), (4, 16218335), (5, 12974668), (7, 9267620), (10, 6487334), (14, 4633810), (20, 3243667), (23, 2820580), (28, 2316905), (35, 1853524), (46, 1410290), (70, 926762), (92, 705145), (115, 564116), (140, 463381), (161, 402940), (230, 282058), (322, 201470), (460, 141029), (644, 100735), (805, 80588), (1610, 40294), (3220, 20147)]