2013984520

素因数分解:

$2^3\times 5^1\times {\mathrm{9203}}^1\times {\mathrm{5471}}^1$

素因数の和:14685

約数の個数: 32

約数和(自身を含む): 4532785920

約数和(自身を除く): 2518801400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5471, 9203, 10942, 18406, 21884, 27355, 36812, 43768, 46015, 54710, 73624, 92030, 109420, 184060, 218840, 368120, 50349613, 100699226, 201398452, 251748065, 402796904, 503496130, 1006992260, 2013984520]

約数ペア:

[(1, 2013984520), (2, 1006992260), (4, 503496130), (5, 402796904), (8, 251748065), (10, 201398452), (20, 100699226), (40, 50349613), (5471, 368120), (9203, 218840), (10942, 184060), (18406, 109420), (21884, 92030), (27355, 73624), (36812, 54710), (43768, 46015)]