28080772460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2511697}}^1$

素因数の和:2511762

約数の個数: 48

約数和(自身を含む): 64982650656

約数和(自身を除く): 36901878196

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 2511697, 5023394, 10046788, 12558485, 25116970, 32652061, 50233940, 65304122, 108002971, 130608244, 163260305, 216005942, 326520610, 432011884, 540014855, 653041220, 1080029710, 1404038623, 2160059420, 2808077246, 5616154492, 7020193115, 14040386230, 28080772460]

約数ペア:

[(1, 28080772460), (2, 14040386230), (4, 7020193115), (5, 5616154492), (10, 2808077246), (13, 2160059420), (20, 1404038623), (26, 1080029710), (43, 653041220), (52, 540014855), (65, 432011884), (86, 326520610), (130, 216005942), (172, 163260305), (215, 130608244), (260, 108002971), (430, 65304122), (559, 50233940), (860, 32652061), (1118, 25116970), (2236, 12558485), (2795, 10046788), (5590, 5023394), (11180, 2511697)]