79207520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{10103}}^1$

素因数の和:10132

約数の個数: 72

約数和(自身を含む): 217700784

約数和(自身を除く): 138493264

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, 7840, 10103, 20206, 40412, 50515, 70721, 80824, 101030, 141442, 161648, 202060, 282884, 323296, 353605, 404120, 495047, 565768, 707210, 808240, 990094, 1131536, 1414420, 1616480, 1980188, 2263072, 2475235, 2828840, 3960376, 4950470, 5657680, 7920752, 9900940, 11315360, 15841504, 19801880, 39603760, 79207520]

約数ペア:

[(1, 79207520), (2, 39603760), (4, 19801880), (5, 15841504), (7, 11315360), (8, 9900940), (10, 7920752), (14, 5657680), (16, 4950470), (20, 3960376), (28, 2828840), (32, 2475235), (35, 2263072), (40, 1980188), (49, 1616480), (56, 1414420), (70, 1131536), (80, 990094), (98, 808240), (112, 707210), (140, 565768), (160, 495047), (196, 404120), (224, 353605), (245, 323296), (280, 282884), (392, 202060), (490, 161648), (560, 141442), (784, 101030), (980, 80824), (1120, 70721), (1568, 50515), (1960, 40412), (3920, 20206), (7840, 10103)]