25939980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{397}}^1$

素因数の和:437

約数の個数: 144

約数和(自身を含む): 88929120

約数和(自身を除く): 62989140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 121, 132, 135, 165, 180, 198, 220, 242, 270, 297, 330, 363, 396, 397, 484, 495, 540, 594, 605, 660, 726, 794, 990, 1089, 1188, 1191, 1210, 1452, 1485, 1588, 1815, 1980, 1985, 2178, 2382, 2420, 2970, 3267, 3573, 3630, 3970, 4356, 4367, 4764, 5445, 5940, 5955, 6534, 7146, 7260, 7940, 8734, 10719, 10890, 11910, 13068, 13101, 14292, 16335, 17468, 17865, 21438, 21780, 21835, 23820, 26202, 32670, 35730, 39303, 42876, 43670, 48037, 52404, 53595, 65340, 65505, 71460, 78606, 87340, 96074, 107190, 117909, 131010, 144111, 157212, 192148, 196515, 214380, 235818, 240185, 262020, 288222, 393030, 432333, 471636, 480370, 576444, 589545, 720555, 786060, 864666, 960740, 1179090, 1296999, 1441110, 1729332, 2161665, 2358180, 2593998, 2882220, 4323330, 5187996, 6484995, 8646660, 12969990, 25939980]

約数ペア:

[(1, 25939980), (2, 12969990), (3, 8646660), (4, 6484995), (5, 5187996), (6, 4323330), (9, 2882220), (10, 2593998), (11, 2358180), (12, 2161665), (15, 1729332), (18, 1441110), (20, 1296999), (22, 1179090), (27, 960740), (30, 864666), (33, 786060), (36, 720555), (44, 589545), (45, 576444), (54, 480370), (55, 471636), (60, 432333), (66, 393030), (90, 288222), (99, 262020), (108, 240185), (110, 235818), (121, 214380), (132, 196515), (135, 192148), (165, 157212), (180, 144111), (198, 131010), (220, 117909), (242, 107190), (270, 96074), (297, 87340), (330, 78606), (363, 71460), (396, 65505), (397, 65340), (484, 53595), (495, 52404), (540, 48037), (594, 43670), (605, 42876), (660, 39303), (726, 35730), (794, 32670), (990, 26202), (1089, 23820), (1188, 21835), (1191, 21780), (1210, 21438), (1452, 17865), (1485, 17468), (1588, 16335), (1815, 14292), (1980, 13101), (1985, 13068), (2178, 11910), (2382, 10890), (2420, 10719), (2970, 8734), (3267, 7940), (3573, 7260), (3630, 7146), (3970, 6534), (4356, 5955), (4367, 5940), (4764, 5445)]