12856240

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{593}}^1$

素因数の和:877

約数の個数: 40

約数和(自身を含む): 30051648

約数和(自身を除く): 17195408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 593, 1084, 1186, 1355, 2168, 2372, 2710, 2965, 4336, 4744, 5420, 5930, 9488, 10840, 11860, 21680, 23720, 47440, 160703, 321406, 642812, 803515, 1285624, 1607030, 2571248, 3214060, 6428120, 12856240]

約数ペア:

[(1, 12856240), (2, 6428120), (4, 3214060), (5, 2571248), (8, 1607030), (10, 1285624), (16, 803515), (20, 642812), (40, 321406), (80, 160703), (271, 47440), (542, 23720), (593, 21680), (1084, 11860), (1186, 10840), (1355, 9488), (2168, 5930), (2372, 5420), (2710, 4744), (2965, 4336)]