22719740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 49533120

約数和(自身を除く): 26813380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 103, 164, 205, 206, 269, 410, 412, 515, 538, 820, 1030, 1076, 1345, 2060, 2690, 4223, 5380, 8446, 11029, 16892, 21115, 22058, 27707, 42230, 44116, 55145, 55414, 84460, 110290, 110828, 138535, 220580, 277070, 554140, 1135987, 2271974, 4543948, 5679935, 11359870, 22719740]

約数ペア:

[(1, 22719740), (2, 11359870), (4, 5679935), (5, 4543948), (10, 2271974), (20, 1135987), (41, 554140), (82, 277070), (103, 220580), (164, 138535), (205, 110828), (206, 110290), (269, 84460), (410, 55414), (412, 55145), (515, 44116), (538, 42230), (820, 27707), (1030, 22058), (1076, 21115), (1345, 16892), (2060, 11029), (2690, 8446), (4223, 5380)]