1629778840

素因数分解:

$2^3\times 5^1\times {\mathrm{5273}}^1\times {\mathrm{7727}}^1$

素因数の和:13011

約数の個数: 32

約数和(自身を含む): 3668172480

約数和(自身を除く): 2038393640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5273, 7727, 10546, 15454, 21092, 26365, 30908, 38635, 42184, 52730, 61816, 77270, 105460, 154540, 210920, 309080, 40744471, 81488942, 162977884, 203722355, 325955768, 407444710, 814889420, 1629778840]

約数ペア:

[(1, 1629778840), (2, 814889420), (4, 407444710), (5, 325955768), (8, 203722355), (10, 162977884), (20, 81488942), (40, 40744471), (5273, 309080), (7727, 210920), (10546, 154540), (15454, 105460), (21092, 77270), (26365, 61816), (30908, 52730), (38635, 42184)]