16345780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 37739520

約数和(自身を除く): 21393740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 191, 220, 382, 389, 764, 778, 955, 1556, 1910, 1945, 2101, 3820, 3890, 4202, 4279, 7780, 8404, 8558, 10505, 17116, 21010, 21395, 42020, 42790, 74299, 85580, 148598, 297196, 371495, 742990, 817289, 1485980, 1634578, 3269156, 4086445, 8172890, 16345780]

約数ペア:

[(1, 16345780), (2, 8172890), (4, 4086445), (5, 3269156), (10, 1634578), (11, 1485980), (20, 817289), (22, 742990), (44, 371495), (55, 297196), (110, 148598), (191, 85580), (220, 74299), (382, 42790), (389, 42020), (764, 21395), (778, 21010), (955, 17116), (1556, 10505), (1910, 8558), (1945, 8404), (2101, 7780), (3820, 4279), (3890, 4202)]