80450560

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1$

素因数の和:871

約数の個数: 88

約数和(自身を含む): 203389920

約数和(自身を除く): 122939360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 827, 1024, 1216, 1280, 1520, 1654, 2432, 2560, 3040, 3308, 4135, 4864, 5120, 6080, 6616, 8270, 9728, 12160, 13232, 15713, 16540, 19456, 24320, 26464, 31426, 33080, 48640, 52928, 62852, 66160, 78565, 97280, 105856, 125704, 132320, 157130, 211712, 251408, 264640, 314260, 423424, 502816, 529280, 628520, 846848, 1005632, 1058560, 1257040, 2011264, 2117120, 2514080, 4022528, 4234240, 5028160, 8045056, 10056320, 16090112, 20112640, 40225280, 80450560]

約数ペア:

[(1, 80450560), (2, 40225280), (4, 20112640), (5, 16090112), (8, 10056320), (10, 8045056), (16, 5028160), (19, 4234240), (20, 4022528), (32, 2514080), (38, 2117120), (40, 2011264), (64, 1257040), (76, 1058560), (80, 1005632), (95, 846848), (128, 628520), (152, 529280), (160, 502816), (190, 423424), (256, 314260), (304, 264640), (320, 251408), (380, 211712), (512, 157130), (608, 132320), (640, 125704), (760, 105856), (827, 97280), (1024, 78565), (1216, 66160), (1280, 62852), (1520, 52928), (1654, 48640), (2432, 33080), (2560, 31426), (3040, 26464), (3308, 24320), (4135, 19456), (4864, 16540), (5120, 15713), (6080, 13232), (6616, 12160), (8270, 9728)]