40278196

素因数分解:

$2^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{2309}}^1$

素因数の和:2416

約数の個数: 36

約数和(自身を含む): 82952100

約数和(自身を除く): 42673904

約数列:

[1, 2, 4, 7, 14, 28, 49, 89, 98, 178, 196, 356, 623, 1246, 2309, 2492, 4361, 4618, 8722, 9236, 16163, 17444, 32326, 64652, 113141, 205501, 226282, 411002, 452564, 822004, 1438507, 2877014, 5754028, 10069549, 20139098, 40278196]

約数ペア:

[(1, 40278196), (2, 20139098), (4, 10069549), (7, 5754028), (14, 2877014), (28, 1438507), (49, 822004), (89, 452564), (98, 411002), (178, 226282), (196, 205501), (356, 113141), (623, 64652), (1246, 32326), (2309, 17444), (2492, 16163), (4361, 9236), (4618, 8722)]