80391040

素因数分解:

$2^7\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2129}}^1$

素因数の和:2207

約数の個数: 64

約数和(自身を含む): 195534000

約数和(自身を除く): 115142960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 295, 320, 472, 590, 640, 944, 1180, 1888, 2129, 2360, 3776, 4258, 4720, 7552, 8516, 9440, 10645, 17032, 18880, 21290, 34064, 37760, 42580, 68128, 85160, 125611, 136256, 170320, 251222, 272512, 340640, 502444, 628055, 681280, 1004888, 1256110, 1362560, 2009776, 2512220, 4019552, 5024440, 8039104, 10048880, 16078208, 20097760, 40195520, 80391040]

約数ペア:

[(1, 80391040), (2, 40195520), (4, 20097760), (5, 16078208), (8, 10048880), (10, 8039104), (16, 5024440), (20, 4019552), (32, 2512220), (40, 2009776), (59, 1362560), (64, 1256110), (80, 1004888), (118, 681280), (128, 628055), (160, 502444), (236, 340640), (295, 272512), (320, 251222), (472, 170320), (590, 136256), (640, 125611), (944, 85160), (1180, 68128), (1888, 42580), (2129, 37760), (2360, 34064), (3776, 21290), (4258, 18880), (4720, 17032), (7552, 10645), (8516, 9440)]