72933380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{280513}}^1$

素因数の和:280535

約数の個数: 24

約数和(自身を含む): 164942232

約数和(自身を除く): 92008852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 280513, 561026, 1122052, 1402565, 2805130, 3646669, 5610260, 7293338, 14586676, 18233345, 36466690, 72933380]

約数ペア:

[(1, 72933380), (2, 36466690), (4, 18233345), (5, 14586676), (10, 7293338), (13, 5610260), (20, 3646669), (26, 2805130), (52, 1402565), (65, 1122052), (130, 561026), (260, 280513)]