40028144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3631}}^1$

素因数の和:3705

約数の個数: 40

約数和(自身を含む): 85119552

約数和(自身を除く): 45091408

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 2756, 3631, 5512, 7262, 11024, 14524, 29048, 47203, 58096, 94406, 188812, 192443, 377624, 384886, 755248, 769772, 1539544, 2501759, 3079088, 5003518, 10007036, 20014072, 40028144]

約数ペア:

[(1, 40028144), (2, 20014072), (4, 10007036), (8, 5003518), (13, 3079088), (16, 2501759), (26, 1539544), (52, 769772), (53, 755248), (104, 384886), (106, 377624), (208, 192443), (212, 188812), (424, 94406), (689, 58096), (848, 47203), (1378, 29048), (2756, 14524), (3631, 11024), (5512, 7262)]