40983280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 103680864

約数和(自身を除く): 62697584

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 157, 208, 251, 260, 314, 502, 520, 628, 785, 1004, 1040, 1255, 1256, 1570, 2008, 2041, 2510, 2512, 3140, 3263, 4016, 4082, 5020, 6280, 6526, 8164, 10040, 10205, 12560, 13052, 16315, 16328, 20080, 20410, 26104, 32630, 32656, 39407, 40820, 52208, 65260, 78814, 81640, 130520, 157628, 163280, 197035, 261040, 315256, 394070, 512291, 630512, 788140, 1024582, 1576280, 2049164, 2561455, 3152560, 4098328, 5122910, 8196656, 10245820, 20491640, 40983280]

約数ペア:

[(1, 40983280), (2, 20491640), (4, 10245820), (5, 8196656), (8, 5122910), (10, 4098328), (13, 3152560), (16, 2561455), (20, 2049164), (26, 1576280), (40, 1024582), (52, 788140), (65, 630512), (80, 512291), (104, 394070), (130, 315256), (157, 261040), (208, 197035), (251, 163280), (260, 157628), (314, 130520), (502, 81640), (520, 78814), (628, 65260), (785, 52208), (1004, 40820), (1040, 39407), (1255, 32656), (1256, 32630), (1570, 26104), (2008, 20410), (2041, 20080), (2510, 16328), (2512, 16315), (3140, 13052), (3263, 12560), (4016, 10205), (4082, 10040), (5020, 8164), (6280, 6526)]