40440208

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{971}}^1$

素因数の和:1135

約数の個数: 40

約数和(自身を含む): 83164320

約数和(自身を除く): 42724112

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 137, 152, 274, 304, 548, 971, 1096, 1942, 2192, 2603, 3884, 5206, 7768, 10412, 15536, 18449, 20824, 36898, 41648, 73796, 133027, 147592, 266054, 295184, 532108, 1064216, 2128432, 2527513, 5055026, 10110052, 20220104, 40440208]

約数ペア:

[(1, 40440208), (2, 20220104), (4, 10110052), (8, 5055026), (16, 2527513), (19, 2128432), (38, 1064216), (76, 532108), (137, 295184), (152, 266054), (274, 147592), (304, 133027), (548, 73796), (971, 41648), (1096, 36898), (1942, 20824), (2192, 18449), (2603, 15536), (3884, 10412), (5206, 7768)]