40421248

素因数分解:

$2^7\times 7^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 92901600

約数和(自身を除く): 52480352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 197, 224, 229, 394, 448, 458, 788, 896, 916, 1379, 1576, 1603, 1832, 2758, 3152, 3206, 3664, 5516, 6304, 6412, 7328, 11032, 12608, 12824, 14656, 22064, 25216, 25648, 29312, 44128, 45113, 51296, 88256, 90226, 102592, 176512, 180452, 205184, 315791, 360904, 631582, 721808, 1263164, 1443616, 2526328, 2887232, 5052656, 5774464, 10105312, 20210624, 40421248]

約数ペア:

[(1, 40421248), (2, 20210624), (4, 10105312), (7, 5774464), (8, 5052656), (14, 2887232), (16, 2526328), (28, 1443616), (32, 1263164), (56, 721808), (64, 631582), (112, 360904), (128, 315791), (197, 205184), (224, 180452), (229, 176512), (394, 102592), (448, 90226), (458, 88256), (788, 51296), (896, 45113), (916, 44128), (1379, 29312), (1576, 25648), (1603, 25216), (1832, 22064), (2758, 14656), (3152, 12824), (3206, 12608), (3664, 11032), (5516, 7328), (6304, 6412)]