71901280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40853}}^1$

素因数の和:40879

約数の個数: 48

約数和(自身を含む): 185313744

約数和(自身を除く): 113412464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 40853, 81706, 163412, 204265, 326824, 408530, 449383, 653648, 817060, 898766, 1307296, 1634120, 1797532, 2246915, 3268240, 3595064, 4493830, 6536480, 7190128, 8987660, 14380256, 17975320, 35950640, 71901280]

約数ペア:

[(1, 71901280), (2, 35950640), (4, 17975320), (5, 14380256), (8, 8987660), (10, 7190128), (11, 6536480), (16, 4493830), (20, 3595064), (22, 3268240), (32, 2246915), (40, 1797532), (44, 1634120), (55, 1307296), (80, 898766), (88, 817060), (110, 653648), (160, 449383), (176, 408530), (220, 326824), (352, 204265), (440, 163412), (880, 81706), (1760, 40853)]