16727780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 36771840

約数和(自身を除く): 20044060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 151, 191, 290, 302, 382, 580, 604, 755, 764, 955, 1510, 1910, 3020, 3820, 4379, 5539, 8758, 11078, 17516, 21895, 22156, 27695, 28841, 43790, 55390, 57682, 87580, 110780, 115364, 144205, 288410, 576820, 836389, 1672778, 3345556, 4181945, 8363890, 16727780]

約数ペア:

[(1, 16727780), (2, 8363890), (4, 4181945), (5, 3345556), (10, 1672778), (20, 836389), (29, 576820), (58, 288410), (116, 144205), (145, 115364), (151, 110780), (191, 87580), (290, 57682), (302, 55390), (382, 43790), (580, 28841), (604, 27695), (755, 22156), (764, 21895), (955, 17516), (1510, 11078), (1910, 8758), (3020, 5539), (3820, 4379)]