40225280

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1$

素因数の和:869

約数の個数: 80

約数和(自身を含む): 101645280

約数和(自身を除く): 61420000

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, 1216, 1280, 1520, 1654, 2432, 2560, 3040, 3308, 4135, 4864, 6080, 6616, 8270, 9728, 12160, 13232, 15713, 16540, 24320, 26464, 31426, 33080, 48640, 52928, 62852, 66160, 78565, 105856, 125704, 132320, 157130, 211712, 251408, 264640, 314260, 423424, 502816, 529280, 628520, 1005632, 1058560, 1257040, 2011264, 2117120, 2514080, 4022528, 5028160, 8045056, 10056320, 20112640, 40225280]

約数ペア:

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