66546380

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 142581600

約数和(自身を除く): 76035220

約数列:

[1, 2, 4, 5, 10, 20, 137, 149, 163, 274, 298, 326, 548, 596, 652, 685, 745, 815, 1370, 1490, 1630, 2740, 2980, 3260, 20413, 22331, 24287, 40826, 44662, 48574, 81652, 89324, 97148, 102065, 111655, 121435, 204130, 223310, 242870, 408260, 446620, 485740, 3327319, 6654638, 13309276, 16636595, 33273190, 66546380]

約数ペア:

[(1, 66546380), (2, 33273190), (4, 16636595), (5, 13309276), (10, 6654638), (20, 3327319), (137, 485740), (149, 446620), (163, 408260), (274, 242870), (298, 223310), (326, 204130), (548, 121435), (596, 111655), (652, 102065), (685, 97148), (745, 89324), (815, 81652), (1370, 48574), (1490, 44662), (1630, 40826), (2740, 24287), (2980, 22331), (3260, 20413)]