61238440

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{4337}}^1$

素因数の和:4701

約数の個数: 32

約数和(自身を含む): 138208680

約数和(自身を除く): 76970240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 4337, 7060, 8674, 14120, 17348, 21685, 34696, 43370, 86740, 173480, 1530961, 3061922, 6123844, 7654805, 12247688, 15309610, 30619220, 61238440]

約数ペア:

[(1, 61238440), (2, 30619220), (4, 15309610), (5, 12247688), (8, 7654805), (10, 6123844), (20, 3061922), (40, 1530961), (353, 173480), (706, 86740), (1412, 43370), (1765, 34696), (2824, 21685), (3530, 17348), (4337, 14120), (7060, 8674)]