28851760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{51521}}^1$

素因数の和:51541

約数の個数: 40

約数和(自身を含む): 76664736

約数和(自身を除く): 47812976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 51521, 103042, 206084, 257605, 360647, 412168, 515210, 721294, 824336, 1030420, 1442588, 1803235, 2060840, 2885176, 3606470, 4121680, 5770352, 7212940, 14425880, 28851760]

約数ペア:

[(1, 28851760), (2, 14425880), (4, 7212940), (5, 5770352), (7, 4121680), (8, 3606470), (10, 2885176), (14, 2060840), (16, 1803235), (20, 1442588), (28, 1030420), (35, 824336), (40, 721294), (56, 515210), (70, 412168), (80, 360647), (112, 257605), (140, 206084), (280, 103042), (560, 51521)]