39681280

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1069}}^1$

素因数の和:1119

約数の個数: 72

約数和(自身を含む): 98418600

約数和(自身を除く): 58737320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 580, 640, 928, 1069, 1160, 1280, 1856, 2138, 2320, 3712, 4276, 4640, 5345, 7424, 8552, 9280, 10690, 17104, 18560, 21380, 31001, 34208, 37120, 42760, 62002, 68416, 85520, 124004, 136832, 155005, 171040, 248008, 273664, 310010, 342080, 496016, 620020, 684160, 992032, 1240040, 1368320, 1984064, 2480080, 3968128, 4960160, 7936256, 9920320, 19840640, 39681280]

約数ペア:

[(1, 39681280), (2, 19840640), (4, 9920320), (5, 7936256), (8, 4960160), (10, 3968128), (16, 2480080), (20, 1984064), (29, 1368320), (32, 1240040), (40, 992032), (58, 684160), (64, 620020), (80, 496016), (116, 342080), (128, 310010), (145, 273664), (160, 248008), (232, 171040), (256, 155005), (290, 136832), (320, 124004), (464, 85520), (580, 68416), (640, 62002), (928, 42760), (1069, 37120), (1160, 34208), (1280, 31001), (1856, 21380), (2138, 18560), (2320, 17104), (3712, 10690), (4276, 9280), (4640, 8552), (5345, 7424)]