40609280

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{547}}^1$

素因数の和:599

約数の個数: 80

約数和(自身を含む): 100908720

約数和(自身を除く): 60299440

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, 512, 547, 580, 640, 928, 1094, 1160, 1280, 1856, 2188, 2320, 2560, 2735, 3712, 4376, 4640, 5470, 7424, 8752, 9280, 10940, 14848, 15863, 17504, 18560, 21880, 31726, 35008, 37120, 43760, 63452, 70016, 74240, 79315, 87520, 126904, 140032, 158630, 175040, 253808, 280064, 317260, 350080, 507616, 634520, 700160, 1015232, 1269040, 1400320, 2030464, 2538080, 4060928, 5076160, 8121856, 10152320, 20304640, 40609280]

約数ペア:

[(1, 40609280), (2, 20304640), (4, 10152320), (5, 8121856), (8, 5076160), (10, 4060928), (16, 2538080), (20, 2030464), (29, 1400320), (32, 1269040), (40, 1015232), (58, 700160), (64, 634520), (80, 507616), (116, 350080), (128, 317260), (145, 280064), (160, 253808), (232, 175040), (256, 158630), (290, 140032), (320, 126904), (464, 87520), (512, 79315), (547, 74240), (580, 70016), (640, 63452), (928, 43760), (1094, 37120), (1160, 35008), (1280, 31726), (1856, 21880), (2188, 18560), (2320, 17504), (2560, 15863), (2735, 14848), (3712, 10940), (4376, 9280), (4640, 8752), (5470, 7424)]