11551220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{601}}^1$

素因数の和:672

約数の個数: 36

約数和(自身を含む): 25107012

約数和(自身を除く): 13555792

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 601, 620, 961, 1202, 1922, 2404, 3005, 3844, 4805, 6010, 9610, 12020, 18631, 19220, 37262, 74524, 93155, 186310, 372620, 577561, 1155122, 2310244, 2887805, 5775610, 11551220]

約数ペア:

[(1, 11551220), (2, 5775610), (4, 2887805), (5, 2310244), (10, 1155122), (20, 577561), (31, 372620), (62, 186310), (124, 93155), (155, 74524), (310, 37262), (601, 19220), (620, 18631), (961, 12020), (1202, 9610), (1922, 6010), (2404, 4805), (3005, 3844)]