25525308016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{17599}}^1$

素因数の和:18006

約数の個数: 80

約数和(自身を含む): 56218624000

約数和(自身を除く): 30693315984

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 367, 494, 734, 988, 1468, 1976, 2936, 3952, 4771, 5872, 6973, 9542, 13946, 17599, 19084, 27892, 35198, 38168, 55784, 70396, 76336, 90649, 111568, 140792, 181298, 228787, 281584, 334381, 362596, 457574, 668762, 725192, 915148, 1337524, 1450384, 1830296, 2675048, 3660592, 4346953, 5350096, 6458833, 8693906, 12917666, 17387812, 25835332, 34775624, 51670664, 69551248, 83964829, 103341328, 122717827, 167929658, 245435654, 335859316, 490871308, 671718632, 981742616, 1343437264, 1595331751, 1963485232, 3190663502, 6381327004, 12762654008, 25525308016]

約数ペア:

[(1, 25525308016), (2, 12762654008), (4, 6381327004), (8, 3190663502), (13, 1963485232), (16, 1595331751), (19, 1343437264), (26, 981742616), (38, 671718632), (52, 490871308), (76, 335859316), (104, 245435654), (152, 167929658), (208, 122717827), (247, 103341328), (304, 83964829), (367, 69551248), (494, 51670664), (734, 34775624), (988, 25835332), (1468, 17387812), (1976, 12917666), (2936, 8693906), (3952, 6458833), (4771, 5350096), (5872, 4346953), (6973, 3660592), (9542, 2675048), (13946, 1830296), (17599, 1450384), (19084, 1337524), (27892, 915148), (35198, 725192), (38168, 668762), (55784, 457574), (70396, 362596), (76336, 334381), (90649, 281584), (111568, 228787), (140792, 181298)]