40681760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{5189}}^1$

素因数の和:5218

約数の個数: 72

約数和(自身を含む): 111823740

約数和(自身を除く): 71141980

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 5189, 7840, 10378, 20756, 25945, 36323, 41512, 51890, 72646, 83024, 103780, 145292, 166048, 181615, 207560, 254261, 290584, 363230, 415120, 508522, 581168, 726460, 830240, 1017044, 1162336, 1271305, 1452920, 2034088, 2542610, 2905840, 4068176, 5085220, 5811680, 8136352, 10170440, 20340880, 40681760]

約数ペア:

[(1, 40681760), (2, 20340880), (4, 10170440), (5, 8136352), (7, 5811680), (8, 5085220), (10, 4068176), (14, 2905840), (16, 2542610), (20, 2034088), (28, 1452920), (32, 1271305), (35, 1162336), (40, 1017044), (49, 830240), (56, 726460), (70, 581168), (80, 508522), (98, 415120), (112, 363230), (140, 290584), (160, 254261), (196, 207560), (224, 181615), (245, 166048), (280, 145292), (392, 103780), (490, 83024), (560, 72646), (784, 51890), (980, 41512), (1120, 36323), (1568, 25945), (1960, 20756), (3920, 10378), (5189, 7840)]