21337619440

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1\times {\mathrm{18143}}^1$

素因数の和:18458

約数の個数: 80

約数和(自身を含む): 50635259136

約数和(自身を除く): 29297639696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 241, 244, 305, 482, 488, 610, 964, 976, 1205, 1220, 1928, 2410, 2440, 3856, 4820, 4880, 9640, 14701, 18143, 19280, 29402, 36286, 58804, 72572, 73505, 90715, 117608, 145144, 147010, 181430, 235216, 290288, 294020, 362860, 588040, 725720, 1106723, 1176080, 1451440, 2213446, 4372463, 4426892, 5533615, 8744926, 8853784, 11067230, 17489852, 17707568, 21862315, 22134460, 34979704, 43724630, 44268920, 69959408, 87449260, 88537840, 174898520, 266720243, 349797040, 533440486, 1066880972, 1333601215, 2133761944, 2667202430, 4267523888, 5334404860, 10668809720, 21337619440]

約数ペア:

[(1, 21337619440), (2, 10668809720), (4, 5334404860), (5, 4267523888), (8, 2667202430), (10, 2133761944), (16, 1333601215), (20, 1066880972), (40, 533440486), (61, 349797040), (80, 266720243), (122, 174898520), (241, 88537840), (244, 87449260), (305, 69959408), (482, 44268920), (488, 43724630), (610, 34979704), (964, 22134460), (976, 21862315), (1205, 17707568), (1220, 17489852), (1928, 11067230), (2410, 8853784), (2440, 8744926), (3856, 5533615), (4820, 4426892), (4880, 4372463), (9640, 2213446), (14701, 1451440), (18143, 1176080), (19280, 1106723), (29402, 725720), (36286, 588040), (58804, 362860), (72572, 294020), (73505, 290288), (90715, 235216), (117608, 181430), (145144, 147010)]