55771220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{9649}}^1$

素因数の和:9692

約数の個数: 36

約数和(自身を含む): 124427100

約数和(自身を除く): 68655880

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 9649, 19298, 38596, 48245, 96490, 164033, 192980, 328066, 656132, 820165, 1640330, 2788561, 3280660, 5577122, 11154244, 13942805, 27885610, 55771220]

約数ペア:

[(1, 55771220), (2, 27885610), (4, 13942805), (5, 11154244), (10, 5577122), (17, 3280660), (20, 2788561), (34, 1640330), (68, 820165), (85, 656132), (170, 328066), (289, 192980), (340, 164033), (578, 96490), (1156, 48245), (1445, 38596), (2890, 19298), (5780, 9649)]