40003072

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:163

約数の個数: 80

約数和(自身を含む): 86423040

約数和(自身を除く): 46419968

約数列:

[1, 2, 4, 8, 16, 23, 32, 43, 46, 64, 79, 86, 92, 128, 158, 172, 184, 256, 316, 344, 368, 512, 632, 688, 736, 989, 1264, 1376, 1472, 1817, 1978, 2528, 2752, 2944, 3397, 3634, 3956, 5056, 5504, 5888, 6794, 7268, 7912, 10112, 11008, 11776, 13588, 14536, 15824, 20224, 22016, 27176, 29072, 31648, 40448, 54352, 58144, 63296, 78131, 108704, 116288, 126592, 156262, 217408, 232576, 253184, 312524, 434816, 465152, 506368, 625048, 869632, 930304, 1250096, 1739264, 2500192, 5000384, 10000768, 20001536, 40003072]

約数ペア:

[(1, 40003072), (2, 20001536), (4, 10000768), (8, 5000384), (16, 2500192), (23, 1739264), (32, 1250096), (43, 930304), (46, 869632), (64, 625048), (79, 506368), (86, 465152), (92, 434816), (128, 312524), (158, 253184), (172, 232576), (184, 217408), (256, 156262), (316, 126592), (344, 116288), (368, 108704), (512, 78131), (632, 63296), (688, 58144), (736, 54352), (989, 40448), (1264, 31648), (1376, 29072), (1472, 27176), (1817, 22016), (1978, 20224), (2528, 15824), (2752, 14536), (2944, 13588), (3397, 11776), (3634, 11008), (3956, 10112), (5056, 7912), (5504, 7268), (5888, 6794)]