80581480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{41113}}^1$

素因数の和:41138

約数の個数: 48

約数和(自身を含む): 210914820

約数和(自身を除く): 130333340

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 41113, 82226, 164452, 205565, 287791, 328904, 411130, 575582, 822260, 1151164, 1438955, 1644520, 2014537, 2302328, 2877910, 4029074, 5755820, 8058148, 10072685, 11511640, 16116296, 20145370, 40290740, 80581480]

約数ペア:

[(1, 80581480), (2, 40290740), (4, 20145370), (5, 16116296), (7, 11511640), (8, 10072685), (10, 8058148), (14, 5755820), (20, 4029074), (28, 2877910), (35, 2302328), (40, 2014537), (49, 1644520), (56, 1438955), (70, 1151164), (98, 822260), (140, 575582), (196, 411130), (245, 328904), (280, 287791), (392, 205565), (490, 164452), (980, 82226), (1960, 41113)]