8602220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 20061216

約数和(自身を除く): 11458996

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 641, 671, 1220, 1282, 1342, 2564, 2684, 3205, 3355, 6410, 6710, 7051, 12820, 13420, 14102, 28204, 35255, 39101, 70510, 78202, 141020, 156404, 195505, 391010, 430111, 782020, 860222, 1720444, 2150555, 4301110, 8602220]

約数ペア:

[(1, 8602220), (2, 4301110), (4, 2150555), (5, 1720444), (10, 860222), (11, 782020), (20, 430111), (22, 391010), (44, 195505), (55, 156404), (61, 141020), (110, 78202), (122, 70510), (220, 39101), (244, 35255), (305, 28204), (610, 14102), (641, 13420), (671, 12820), (1220, 7051), (1282, 6710), (1342, 6410), (2564, 3355), (2684, 3205)]