25346720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 144

約数和(自身を含む): 72136008

約数和(自身を除く): 46789288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 53, 56, 61, 70, 80, 98, 106, 112, 122, 140, 160, 196, 212, 224, 244, 245, 265, 280, 305, 371, 392, 424, 427, 488, 490, 530, 560, 610, 742, 784, 848, 854, 976, 980, 1060, 1120, 1220, 1484, 1568, 1696, 1708, 1855, 1952, 1960, 2120, 2135, 2440, 2597, 2968, 2989, 3233, 3416, 3710, 3920, 4240, 4270, 4880, 5194, 5936, 5978, 6466, 6832, 7420, 7840, 8480, 8540, 9760, 10388, 11872, 11956, 12932, 12985, 13664, 14840, 14945, 16165, 17080, 20776, 22631, 23912, 25864, 25970, 29680, 29890, 32330, 34160, 41552, 45262, 47824, 51728, 51940, 59360, 59780, 64660, 68320, 83104, 90524, 95648, 103456, 103880, 113155, 119560, 129320, 158417, 181048, 207760, 226310, 239120, 258640, 316834, 362096, 415520, 452620, 478240, 517280, 633668, 724192, 792085, 905240, 1267336, 1584170, 1810480, 2534672, 3168340, 3620960, 5069344, 6336680, 12673360, 25346720]

約数ペア:

[(1, 25346720), (2, 12673360), (4, 6336680), (5, 5069344), (7, 3620960), (8, 3168340), (10, 2534672), (14, 1810480), (16, 1584170), (20, 1267336), (28, 905240), (32, 792085), (35, 724192), (40, 633668), (49, 517280), (53, 478240), (56, 452620), (61, 415520), (70, 362096), (80, 316834), (98, 258640), (106, 239120), (112, 226310), (122, 207760), (140, 181048), (160, 158417), (196, 129320), (212, 119560), (224, 113155), (244, 103880), (245, 103456), (265, 95648), (280, 90524), (305, 83104), (371, 68320), (392, 64660), (424, 59780), (427, 59360), (488, 51940), (490, 51728), (530, 47824), (560, 45262), (610, 41552), (742, 34160), (784, 32330), (848, 29890), (854, 29680), (976, 25970), (980, 25864), (1060, 23912), (1120, 22631), (1220, 20776), (1484, 17080), (1568, 16165), (1696, 14945), (1708, 14840), (1855, 13664), (1952, 12985), (1960, 12932), (2120, 11956), (2135, 11872), (2440, 10388), (2597, 9760), (2968, 8540), (2989, 8480), (3233, 7840), (3416, 7420), (3710, 6832), (3920, 6466), (4240, 5978), (4270, 5936), (4880, 5194)]