66925540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4987}}^1$

素因数の和:5068

約数の個数: 48

約数和(自身を含む): 155865024

約数和(自身を除く): 88939484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 4987, 6710, 9974, 13420, 19948, 24935, 49870, 54857, 99740, 109714, 219428, 274285, 304207, 548570, 608414, 1097140, 1216828, 1521035, 3042070, 3346277, 6084140, 6692554, 13385108, 16731385, 33462770, 66925540]

約数ペア:

[(1, 66925540), (2, 33462770), (4, 16731385), (5, 13385108), (10, 6692554), (11, 6084140), (20, 3346277), (22, 3042070), (44, 1521035), (55, 1216828), (61, 1097140), (110, 608414), (122, 548570), (220, 304207), (244, 274285), (305, 219428), (610, 109714), (671, 99740), (1220, 54857), (1342, 49870), (2684, 24935), (3355, 19948), (4987, 13420), (6710, 9974)]