40457984

素因数分解:

$2^8\times 7^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 93598848

約数和(自身を除く): 53140864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 107, 112, 128, 211, 214, 224, 256, 422, 428, 448, 749, 844, 856, 896, 1477, 1498, 1688, 1712, 1792, 2954, 2996, 3376, 3424, 5908, 5992, 6752, 6848, 11816, 11984, 13504, 13696, 22577, 23632, 23968, 27008, 27392, 45154, 47264, 47936, 54016, 90308, 94528, 95872, 158039, 180616, 189056, 191744, 316078, 361232, 378112, 632156, 722464, 1264312, 1444928, 2528624, 2889856, 5057248, 5779712, 10114496, 20228992, 40457984]

約数ペア:

[(1, 40457984), (2, 20228992), (4, 10114496), (7, 5779712), (8, 5057248), (14, 2889856), (16, 2528624), (28, 1444928), (32, 1264312), (56, 722464), (64, 632156), (107, 378112), (112, 361232), (128, 316078), (211, 191744), (214, 189056), (224, 180616), (256, 158039), (422, 95872), (428, 94528), (448, 90308), (749, 54016), (844, 47936), (856, 47264), (896, 45154), (1477, 27392), (1498, 27008), (1688, 23968), (1712, 23632), (1792, 22577), (2954, 13696), (2996, 13504), (3376, 11984), (3424, 11816), (5908, 6848), (5992, 6752)]