1321093360

素因数分解:

$2^4\times 5^1\times {\mathrm{1787}}^1\times {\mathrm{9241}}^1$

素因数の和:11041

約数の個数: 40

約数和(自身を含む): 3073593456

約数和(自身を除く): 1752500096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1787, 3574, 7148, 8935, 9241, 14296, 17870, 18482, 28592, 35740, 36964, 46205, 71480, 73928, 92410, 142960, 147856, 184820, 369640, 739280, 16513667, 33027334, 66054668, 82568335, 132109336, 165136670, 264218672, 330273340, 660546680, 1321093360]

約数ペア:

[(1, 1321093360), (2, 660546680), (4, 330273340), (5, 264218672), (8, 165136670), (10, 132109336), (16, 82568335), (20, 66054668), (40, 33027334), (80, 16513667), (1787, 739280), (3574, 369640), (7148, 184820), (8935, 147856), (9241, 142960), (14296, 92410), (17870, 73928), (18482, 71480), (28592, 46205), (35740, 36964)]