16240640

素因数分解:

$2^{12}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:103

約数の個数: 104

約数和(自身を含む): 42658728

約数和(自身を除く): 26418088

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, 4096, 4160, 4880, 5120, 6344, 6656, 7808, 7930, 8320, 9760, 10240, 12688, 13312, 15616, 15860, 16640, 19520, 20480, 25376, 26624, 31232, 31720, 33280, 39040, 50752, 53248, 62464, 63440, 66560, 78080, 101504, 124928, 126880, 133120, 156160, 203008, 249856, 253760, 266240, 312320, 406016, 507520, 624640, 812032, 1015040, 1249280, 1624064, 2030080, 3248128, 4060160, 8120320, 16240640]

約数ペア:

[(1, 16240640), (2, 8120320), (4, 4060160), (5, 3248128), (8, 2030080), (10, 1624064), (13, 1249280), (16, 1015040), (20, 812032), (26, 624640), (32, 507520), (40, 406016), (52, 312320), (61, 266240), (64, 253760), (65, 249856), (80, 203008), (104, 156160), (122, 133120), (128, 126880), (130, 124928), (160, 101504), (208, 78080), (244, 66560), (256, 63440), (260, 62464), (305, 53248), (320, 50752), (416, 39040), (488, 33280), (512, 31720), (520, 31232), (610, 26624), (640, 25376), (793, 20480), (832, 19520), (976, 16640), (1024, 15860), (1040, 15616), (1220, 13312), (1280, 12688), (1586, 10240), (1664, 9760), (1952, 8320), (2048, 7930), (2080, 7808), (2440, 6656), (2560, 6344), (3172, 5120), (3328, 4880), (3904, 4160), (3965, 4096)]