20180516096

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{30781}}^1$

素因数の和:31007

約数の個数: 72

約数和(自身を含む): 43602456744

約数和(自身を除く): 23421940648

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 197, 208, 256, 394, 416, 788, 832, 1576, 1664, 2561, 3152, 3328, 5122, 6304, 10244, 12608, 20488, 25216, 30781, 40976, 50432, 61562, 81952, 123124, 163904, 246248, 327808, 400153, 492496, 655616, 800306, 984992, 1600612, 1969984, 3201224, 3939968, 6063857, 6402448, 7879936, 12127714, 12804896, 24255428, 25609792, 48510856, 51219584, 78830141, 97021712, 102439168, 157660282, 194043424, 315320564, 388086848, 630641128, 776173696, 1261282256, 1552347392, 2522564512, 5045129024, 10090258048, 20180516096]

約数ペア:

[(1, 20180516096), (2, 10090258048), (4, 5045129024), (8, 2522564512), (13, 1552347392), (16, 1261282256), (26, 776173696), (32, 630641128), (52, 388086848), (64, 315320564), (104, 194043424), (128, 157660282), (197, 102439168), (208, 97021712), (256, 78830141), (394, 51219584), (416, 48510856), (788, 25609792), (832, 24255428), (1576, 12804896), (1664, 12127714), (2561, 7879936), (3152, 6402448), (3328, 6063857), (5122, 3939968), (6304, 3201224), (10244, 1969984), (12608, 1600612), (20488, 984992), (25216, 800306), (30781, 655616), (40976, 492496), (50432, 400153), (61562, 327808), (81952, 246248), (123124, 163904)]