8120320

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:101

約数の個数: 96

約数和(自身を含む): 21326760

約数和(自身を除く): 13206440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 80, 104, 122, 128, 130, 160, 208, 244, 256, 260, 305, 320, 416, 488, 512, 520, 610, 640, 793, 832, 976, 1024, 1040, 1220, 1280, 1586, 1664, 1952, 2048, 2080, 2440, 2560, 3172, 3328, 3904, 3965, 4160, 4880, 5120, 6344, 6656, 7808, 7930, 8320, 9760, 10240, 12688, 13312, 15616, 15860, 16640, 19520, 25376, 26624, 31232, 31720, 33280, 39040, 50752, 62464, 63440, 66560, 78080, 101504, 124928, 126880, 133120, 156160, 203008, 253760, 312320, 406016, 507520, 624640, 812032, 1015040, 1624064, 2030080, 4060160, 8120320]

約数ペア:

[(1, 8120320), (2, 4060160), (4, 2030080), (5, 1624064), (8, 1015040), (10, 812032), (13, 624640), (16, 507520), (20, 406016), (26, 312320), (32, 253760), (40, 203008), (52, 156160), (61, 133120), (64, 126880), (65, 124928), (80, 101504), (104, 78080), (122, 66560), (128, 63440), (130, 62464), (160, 50752), (208, 39040), (244, 33280), (256, 31720), (260, 31232), (305, 26624), (320, 25376), (416, 19520), (488, 16640), (512, 15860), (520, 15616), (610, 13312), (640, 12688), (793, 10240), (832, 9760), (976, 8320), (1024, 7930), (1040, 7808), (1220, 6656), (1280, 6344), (1586, 5120), (1664, 4880), (1952, 4160), (2048, 3965), (2080, 3904), (2440, 3328), (2560, 3172)]