40866560

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{4561}}^1$

素因数の和:4589

約数の個数: 72

約数和(自身を含む): 111896736

約数和(自身を除く): 71030176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 4561, 8960, 9122, 18244, 22805, 31927, 36488, 45610, 63854, 72976, 91220, 127708, 145952, 159635, 182440, 255416, 291904, 319270, 364880, 510832, 583808, 638540, 729760, 1021664, 1167616, 1277080, 1459520, 2043328, 2554160, 2919040, 4086656, 5108320, 5838080, 8173312, 10216640, 20433280, 40866560]

約数ペア:

[(1, 40866560), (2, 20433280), (4, 10216640), (5, 8173312), (7, 5838080), (8, 5108320), (10, 4086656), (14, 2919040), (16, 2554160), (20, 2043328), (28, 1459520), (32, 1277080), (35, 1167616), (40, 1021664), (56, 729760), (64, 638540), (70, 583808), (80, 510832), (112, 364880), (128, 319270), (140, 291904), (160, 255416), (224, 182440), (256, 159635), (280, 145952), (320, 127708), (448, 91220), (560, 72976), (640, 63854), (896, 45610), (1120, 36488), (1280, 31927), (1792, 22805), (2240, 18244), (4480, 9122), (4561, 8960)]