640858510

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{9521}}^1$

素因数の和:9708

約数の個数: 32

約数和(自身を含む): 1184689152

約数和(自身を除く): 543830642

約数列:

[1, 2, 5, 10, 53, 106, 127, 254, 265, 530, 635, 1270, 6731, 9521, 13462, 19042, 33655, 47605, 67310, 95210, 504613, 1009226, 1209167, 2418334, 2523065, 5046130, 6045835, 12091670, 64085851, 128171702, 320429255, 640858510]

約数ペア:

[(1, 640858510), (2, 320429255), (5, 128171702), (10, 64085851), (53, 12091670), (106, 6045835), (127, 5046130), (254, 2523065), (265, 2418334), (530, 1209167), (635, 1009226), (1270, 504613), (6731, 95210), (9521, 67310), (13462, 47605), (19042, 33655)]