66288820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1861}}^1$

素因数の和:2020

約数の個数: 48

約数和(自身を含む): 151090128

約数和(自身を除く): 84801308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1370, 1781, 1861, 2740, 3562, 3722, 7124, 7444, 8905, 9305, 17810, 18610, 24193, 35620, 37220, 48386, 96772, 120965, 241930, 254957, 483860, 509914, 1019828, 1274785, 2549570, 3314441, 5099140, 6628882, 13257764, 16572205, 33144410, 66288820]

約数ペア:

[(1, 66288820), (2, 33144410), (4, 16572205), (5, 13257764), (10, 6628882), (13, 5099140), (20, 3314441), (26, 2549570), (52, 1274785), (65, 1019828), (130, 509914), (137, 483860), (260, 254957), (274, 241930), (548, 120965), (685, 96772), (1370, 48386), (1781, 37220), (1861, 35620), (2740, 24193), (3562, 18610), (3722, 17810), (7124, 9305), (7444, 8905)]