8101660

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{1181}}^1$

素因数の和:1211

約数の個数: 48

約数和(自身を含む): 19857600

約数和(自身を除く): 11755940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1181, 1372, 1715, 2362, 3430, 4724, 5905, 6860, 8267, 11810, 16534, 23620, 33068, 41335, 57869, 82670, 115738, 165340, 231476, 289345, 405083, 578690, 810166, 1157380, 1620332, 2025415, 4050830, 8101660]

約数ペア:

[(1, 8101660), (2, 4050830), (4, 2025415), (5, 1620332), (7, 1157380), (10, 810166), (14, 578690), (20, 405083), (28, 289345), (35, 231476), (49, 165340), (70, 115738), (98, 82670), (140, 57869), (196, 41335), (245, 33068), (343, 23620), (490, 16534), (686, 11810), (980, 8267), (1181, 6860), (1372, 5905), (1715, 4724), (2362, 3430)]