28152320

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{1571}}^1$

素因数の和:1601

約数の個数: 80

約数和(自身を含む): 77191488

約数和(自身を除く): 49039168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1571, 1792, 2240, 2560, 3142, 3584, 4480, 6284, 7855, 8960, 10997, 12568, 15710, 17920, 21994, 25136, 31420, 43988, 50272, 54985, 62840, 87976, 100544, 109970, 125680, 175952, 201088, 219940, 251360, 351904, 402176, 439880, 502720, 703808, 804352, 879760, 1005440, 1407616, 1759520, 2010880, 2815232, 3519040, 4021760, 5630464, 7038080, 14076160, 28152320]

約数ペア:

[(1, 28152320), (2, 14076160), (4, 7038080), (5, 5630464), (7, 4021760), (8, 3519040), (10, 2815232), (14, 2010880), (16, 1759520), (20, 1407616), (28, 1005440), (32, 879760), (35, 804352), (40, 703808), (56, 502720), (64, 439880), (70, 402176), (80, 351904), (112, 251360), (128, 219940), (140, 201088), (160, 175952), (224, 125680), (256, 109970), (280, 100544), (320, 87976), (448, 62840), (512, 54985), (560, 50272), (640, 43988), (896, 31420), (1120, 25136), (1280, 21994), (1571, 17920), (1792, 15710), (2240, 12568), (2560, 10997), (3142, 8960), (3584, 7855), (4480, 6284)]