40646480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{10369}}^1$

素因数の和:10396

約数の個数: 60

約数和(自身を含む): 109942740

約数和(自身を除く): 69296260

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 10369, 20738, 41476, 51845, 72583, 82952, 103690, 145166, 165904, 207380, 290332, 362915, 414760, 508081, 580664, 725830, 829520, 1016162, 1161328, 1451660, 2032324, 2540405, 2903320, 4064648, 5080810, 5806640, 8129296, 10161620, 20323240, 40646480]

約数ペア:

[(1, 40646480), (2, 20323240), (4, 10161620), (5, 8129296), (7, 5806640), (8, 5080810), (10, 4064648), (14, 2903320), (16, 2540405), (20, 2032324), (28, 1451660), (35, 1161328), (40, 1016162), (49, 829520), (56, 725830), (70, 580664), (80, 508081), (98, 414760), (112, 362915), (140, 290332), (196, 207380), (245, 165904), (280, 145166), (392, 103690), (490, 82952), (560, 72583), (784, 51845), (980, 41476), (1960, 20738), (3920, 10369)]