71508520

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{13049}}^1$

素因数の和:13197

約数の個数: 32

約数和(自身を含む): 162081000

約数和(自身を除く): 90572480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 13049, 26098, 52196, 65245, 104392, 130490, 260980, 521960, 1787713, 3575426, 7150852, 8938565, 14301704, 17877130, 35754260, 71508520]

約数ペア:

[(1, 71508520), (2, 35754260), (4, 17877130), (5, 14301704), (8, 8938565), (10, 7150852), (20, 3575426), (40, 1787713), (137, 521960), (274, 260980), (548, 130490), (685, 104392), (1096, 65245), (1370, 52196), (2740, 26098), (5480, 13049)]