51259520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:194

約数の個数: 128

約数和(自身を含む): 135460080

約数和(自身を除く): 84200560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 80, 101, 104, 122, 128, 130, 160, 202, 208, 244, 260, 305, 320, 404, 416, 488, 505, 520, 610, 640, 793, 808, 832, 976, 1010, 1040, 1220, 1313, 1586, 1616, 1664, 1952, 2020, 2080, 2440, 2626, 3172, 3232, 3904, 3965, 4040, 4160, 4880, 5252, 6161, 6344, 6464, 6565, 7808, 7930, 8080, 8320, 9760, 10504, 12322, 12688, 12928, 13130, 15860, 16160, 19520, 21008, 24644, 25376, 26260, 30805, 31720, 32320, 39040, 42016, 49288, 50752, 52520, 61610, 63440, 64640, 80093, 84032, 98576, 101504, 105040, 123220, 126880, 160186, 168064, 197152, 210080, 246440, 253760, 320372, 394304, 400465, 420160, 492880, 507520, 640744, 788608, 800930, 840320, 985760, 1281488, 1601860, 1971520, 2562976, 3203720, 3943040, 5125952, 6407440, 10251904, 12814880, 25629760, 51259520]

約数ペア:

[(1, 51259520), (2, 25629760), (4, 12814880), (5, 10251904), (8, 6407440), (10, 5125952), (13, 3943040), (16, 3203720), (20, 2562976), (26, 1971520), (32, 1601860), (40, 1281488), (52, 985760), (61, 840320), (64, 800930), (65, 788608), (80, 640744), (101, 507520), (104, 492880), (122, 420160), (128, 400465), (130, 394304), (160, 320372), (202, 253760), (208, 246440), (244, 210080), (260, 197152), (305, 168064), (320, 160186), (404, 126880), (416, 123220), (488, 105040), (505, 101504), (520, 98576), (610, 84032), (640, 80093), (793, 64640), (808, 63440), (832, 61610), (976, 52520), (1010, 50752), (1040, 49288), (1220, 42016), (1313, 39040), (1586, 32320), (1616, 31720), (1664, 30805), (1952, 26260), (2020, 25376), (2080, 24644), (2440, 21008), (2626, 19520), (3172, 16160), (3232, 15860), (3904, 13130), (3965, 12928), (4040, 12688), (4160, 12322), (4880, 10504), (5252, 9760), (6161, 8320), (6344, 8080), (6464, 7930), (6565, 7808)]