208329920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21001}}^1$

素因数の和:21049

約数の個数: 56

約数和(自身を含む): 512112768

約数和(自身を除く): 303782848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 21001, 42002, 84004, 105005, 168008, 210010, 336016, 420020, 651031, 672032, 840040, 1302062, 1344064, 1680080, 2604124, 3255155, 3360160, 5208248, 6510310, 6720320, 10416496, 13020620, 20832992, 26041240, 41665984, 52082480, 104164960, 208329920]

約数ペア:

[(1, 208329920), (2, 104164960), (4, 52082480), (5, 41665984), (8, 26041240), (10, 20832992), (16, 13020620), (20, 10416496), (31, 6720320), (32, 6510310), (40, 5208248), (62, 3360160), (64, 3255155), (80, 2604124), (124, 1680080), (155, 1344064), (160, 1302062), (248, 840040), (310, 672032), (320, 651031), (496, 420020), (620, 336016), (992, 210010), (1240, 168008), (1984, 105005), (2480, 84004), (4960, 42002), (9920, 21001)]