16071220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 38543400

約数和(自身を除く): 22472180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 121, 145, 220, 229, 242, 290, 319, 458, 484, 580, 605, 638, 916, 1145, 1210, 1276, 1595, 2290, 2420, 2519, 3190, 3509, 4580, 5038, 6380, 6641, 7018, 10076, 12595, 13282, 14036, 17545, 25190, 26564, 27709, 33205, 35090, 50380, 55418, 66410, 70180, 73051, 110836, 132820, 138545, 146102, 277090, 292204, 365255, 554180, 730510, 803561, 1461020, 1607122, 3214244, 4017805, 8035610, 16071220]

約数ペア:

[(1, 16071220), (2, 8035610), (4, 4017805), (5, 3214244), (10, 1607122), (11, 1461020), (20, 803561), (22, 730510), (29, 554180), (44, 365255), (55, 292204), (58, 277090), (110, 146102), (116, 138545), (121, 132820), (145, 110836), (220, 73051), (229, 70180), (242, 66410), (290, 55418), (319, 50380), (458, 35090), (484, 33205), (580, 27709), (605, 26564), (638, 25190), (916, 17545), (1145, 14036), (1210, 13282), (1276, 12595), (1595, 10076), (2290, 7018), (2420, 6641), (2519, 6380), (3190, 5038), (3509, 4580)]