80802590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1553}}^1$

素因数の和:1625

約数の個数: 48

約数和(自身を含む): 163692144

約数和(自身を除く): 82889554

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 121, 215, 242, 430, 473, 605, 946, 1210, 1553, 2365, 3106, 4730, 5203, 7765, 10406, 15530, 17083, 26015, 34166, 52030, 66779, 85415, 133558, 170830, 187913, 333895, 375826, 667790, 734569, 939565, 1469138, 1879130, 3672845, 7345690, 8080259, 16160518, 40401295, 80802590]

約数ペア:

[(1, 80802590), (2, 40401295), (5, 16160518), (10, 8080259), (11, 7345690), (22, 3672845), (43, 1879130), (55, 1469138), (86, 939565), (110, 734569), (121, 667790), (215, 375826), (242, 333895), (430, 187913), (473, 170830), (605, 133558), (946, 85415), (1210, 66779), (1553, 52030), (2365, 34166), (3106, 26015), (4730, 17083), (5203, 15530), (7765, 10406)]