31029620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 67737600

約数和(自身を除く): 36707980

約数列:

[1, 2, 4, 5, 10, 20, 41, 79, 82, 158, 164, 205, 316, 395, 410, 479, 790, 820, 958, 1580, 1916, 2395, 3239, 4790, 6478, 9580, 12956, 16195, 19639, 32390, 37841, 39278, 64780, 75682, 78556, 98195, 151364, 189205, 196390, 378410, 392780, 756820, 1551481, 3102962, 6205924, 7757405, 15514810, 31029620]

約数ペア:

[(1, 31029620), (2, 15514810), (4, 7757405), (5, 6205924), (10, 3102962), (20, 1551481), (41, 756820), (79, 392780), (82, 378410), (158, 196390), (164, 189205), (205, 151364), (316, 98195), (395, 78556), (410, 75682), (479, 64780), (790, 39278), (820, 37841), (958, 32390), (1580, 19639), (1916, 16195), (2395, 12956), (3239, 9580), (4790, 6478)]