25681552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:176

約数の個数: 80

約数和(自身を含む): 56996352

約数和(自身を除く): 31314800

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 47, 52, 71, 74, 94, 104, 142, 148, 188, 208, 284, 296, 376, 481, 568, 592, 611, 752, 923, 962, 1136, 1222, 1739, 1846, 1924, 2444, 2627, 3337, 3478, 3692, 3848, 4888, 5254, 6674, 6956, 7384, 7696, 9776, 10508, 13348, 13912, 14768, 21016, 22607, 26696, 27824, 34151, 42032, 43381, 45214, 53392, 68302, 86762, 90428, 123469, 136604, 173524, 180856, 246938, 273208, 347048, 361712, 493876, 546416, 694096, 987752, 1605097, 1975504, 3210194, 6420388, 12840776, 25681552]

約数ペア:

[(1, 25681552), (2, 12840776), (4, 6420388), (8, 3210194), (13, 1975504), (16, 1605097), (26, 987752), (37, 694096), (47, 546416), (52, 493876), (71, 361712), (74, 347048), (94, 273208), (104, 246938), (142, 180856), (148, 173524), (188, 136604), (208, 123469), (284, 90428), (296, 86762), (376, 68302), (481, 53392), (568, 45214), (592, 43381), (611, 42032), (752, 34151), (923, 27824), (962, 26696), (1136, 22607), (1222, 21016), (1739, 14768), (1846, 13912), (1924, 13348), (2444, 10508), (2627, 9776), (3337, 7696), (3478, 7384), (3692, 6956), (3848, 6674), (4888, 5254)]