40079872

素因数分解:

$2^9\times 7^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:289

約数の個数: 80

約数和(自身を含む): 93690432

約数和(自身を除く): 53610560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 128, 211, 212, 224, 256, 371, 422, 424, 448, 512, 742, 844, 848, 896, 1477, 1484, 1688, 1696, 1792, 2954, 2968, 3376, 3392, 3584, 5908, 5936, 6752, 6784, 11183, 11816, 11872, 13504, 13568, 22366, 23632, 23744, 27008, 27136, 44732, 47264, 47488, 54016, 78281, 89464, 94528, 94976, 108032, 156562, 178928, 189056, 189952, 313124, 357856, 378112, 626248, 715712, 756224, 1252496, 1431424, 2504992, 2862848, 5009984, 5725696, 10019968, 20039936, 40079872]

約数ペア:

[(1, 40079872), (2, 20039936), (4, 10019968), (7, 5725696), (8, 5009984), (14, 2862848), (16, 2504992), (28, 1431424), (32, 1252496), (53, 756224), (56, 715712), (64, 626248), (106, 378112), (112, 357856), (128, 313124), (211, 189952), (212, 189056), (224, 178928), (256, 156562), (371, 108032), (422, 94976), (424, 94528), (448, 89464), (512, 78281), (742, 54016), (844, 47488), (848, 47264), (896, 44732), (1477, 27136), (1484, 27008), (1688, 23744), (1696, 23632), (1792, 22366), (2954, 13568), (2968, 13504), (3376, 11872), (3392, 11816), (3584, 11183), (5908, 6784), (5936, 6752)]