51470080

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:609

約数の個数: 72

約数和(自身を含む): 125092800

約数和(自身を除く): 73622720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 509, 632, 640, 790, 1018, 1264, 1280, 1580, 2036, 2528, 2545, 3160, 4072, 5056, 5090, 6320, 8144, 10112, 10180, 12640, 16288, 20224, 20360, 25280, 32576, 40211, 40720, 50560, 65152, 80422, 81440, 101120, 130304, 160844, 162880, 201055, 321688, 325760, 402110, 643376, 651520, 804220, 1286752, 1608440, 2573504, 3216880, 5147008, 6433760, 10294016, 12867520, 25735040, 51470080]

約数ペア:

[(1, 51470080), (2, 25735040), (4, 12867520), (5, 10294016), (8, 6433760), (10, 5147008), (16, 3216880), (20, 2573504), (32, 1608440), (40, 1286752), (64, 804220), (79, 651520), (80, 643376), (128, 402110), (158, 325760), (160, 321688), (256, 201055), (316, 162880), (320, 160844), (395, 130304), (509, 101120), (632, 81440), (640, 80422), (790, 65152), (1018, 50560), (1264, 40720), (1280, 40211), (1580, 32576), (2036, 25280), (2528, 20360), (2545, 20224), (3160, 16288), (4072, 12640), (5056, 10180), (5090, 10112), (6320, 8144)]