80494720

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4337}}^1$

素因数の和:4385

約数の個数: 64

約数和(自身を含む): 199114200

約数和(自身を除く): 118619480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 464, 580, 640, 928, 1160, 1856, 2320, 3712, 4337, 4640, 8674, 9280, 17348, 18560, 21685, 34696, 43370, 69392, 86740, 125773, 138784, 173480, 251546, 277568, 346960, 503092, 555136, 628865, 693920, 1006184, 1257730, 1387840, 2012368, 2515460, 2775680, 4024736, 5030920, 8049472, 10061840, 16098944, 20123680, 40247360, 80494720]

約数ペア:

[(1, 80494720), (2, 40247360), (4, 20123680), (5, 16098944), (8, 10061840), (10, 8049472), (16, 5030920), (20, 4024736), (29, 2775680), (32, 2515460), (40, 2012368), (58, 1387840), (64, 1257730), (80, 1006184), (116, 693920), (128, 628865), (145, 555136), (160, 503092), (232, 346960), (290, 277568), (320, 251546), (464, 173480), (580, 138784), (640, 125773), (928, 86740), (1160, 69392), (1856, 43370), (2320, 34696), (3712, 21685), (4337, 18560), (4640, 17348), (8674, 9280)]