22254280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 52462080

約数和(自身を除く): 30207800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 131, 137, 155, 248, 262, 274, 310, 524, 548, 620, 655, 685, 1048, 1096, 1240, 1310, 1370, 2620, 2740, 4061, 4247, 5240, 5480, 8122, 8494, 16244, 16988, 17947, 20305, 21235, 32488, 33976, 35894, 40610, 42470, 71788, 81220, 84940, 89735, 143576, 162440, 169880, 179470, 358940, 556357, 717880, 1112714, 2225428, 2781785, 4450856, 5563570, 11127140, 22254280]

約数ペア:

[(1, 22254280), (2, 11127140), (4, 5563570), (5, 4450856), (8, 2781785), (10, 2225428), (20, 1112714), (31, 717880), (40, 556357), (62, 358940), (124, 179470), (131, 169880), (137, 162440), (155, 143576), (248, 89735), (262, 84940), (274, 81220), (310, 71788), (524, 42470), (548, 40610), (620, 35894), (655, 33976), (685, 32488), (1048, 21235), (1096, 20305), (1240, 17947), (1310, 16988), (1370, 16244), (2620, 8494), (2740, 8122), (4061, 5480), (4247, 5240)]