40641664

素因数分解:

$2^7\times 7^1\times {\mathrm{67}}^1\times {\mathrm{677}}^1$

素因数の和:765

約数の個数: 64

約数和(自身を含む): 94052160

約数和(自身を除く): 53410496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 67, 112, 128, 134, 224, 268, 448, 469, 536, 677, 896, 938, 1072, 1354, 1876, 2144, 2708, 3752, 4288, 4739, 5416, 7504, 8576, 9478, 10832, 15008, 18956, 21664, 30016, 37912, 43328, 45359, 60032, 75824, 86656, 90718, 151648, 181436, 303296, 317513, 362872, 606592, 635026, 725744, 1270052, 1451488, 2540104, 2902976, 5080208, 5805952, 10160416, 20320832, 40641664]

約数ペア:

[(1, 40641664), (2, 20320832), (4, 10160416), (7, 5805952), (8, 5080208), (14, 2902976), (16, 2540104), (28, 1451488), (32, 1270052), (56, 725744), (64, 635026), (67, 606592), (112, 362872), (128, 317513), (134, 303296), (224, 181436), (268, 151648), (448, 90718), (469, 86656), (536, 75824), (677, 60032), (896, 45359), (938, 43328), (1072, 37912), (1354, 30016), (1876, 21664), (2144, 18956), (2708, 15008), (3752, 10832), (4288, 9478), (4739, 8576), (5416, 7504)]