6407440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:188

約数の個数: 80

約数和(自身を含む): 16467696

約数和(自身を除く): 10060256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 101, 104, 122, 130, 202, 208, 244, 260, 305, 404, 488, 505, 520, 610, 793, 808, 976, 1010, 1040, 1220, 1313, 1586, 1616, 2020, 2440, 2626, 3172, 3965, 4040, 4880, 5252, 6161, 6344, 6565, 7930, 8080, 10504, 12322, 12688, 13130, 15860, 21008, 24644, 26260, 30805, 31720, 49288, 52520, 61610, 63440, 80093, 98576, 105040, 123220, 160186, 246440, 320372, 400465, 492880, 640744, 800930, 1281488, 1601860, 3203720, 6407440]

約数ペア:

[(1, 6407440), (2, 3203720), (4, 1601860), (5, 1281488), (8, 800930), (10, 640744), (13, 492880), (16, 400465), (20, 320372), (26, 246440), (40, 160186), (52, 123220), (61, 105040), (65, 98576), (80, 80093), (101, 63440), (104, 61610), (122, 52520), (130, 49288), (202, 31720), (208, 30805), (244, 26260), (260, 24644), (305, 21008), (404, 15860), (488, 13130), (505, 12688), (520, 12322), (610, 10504), (793, 8080), (808, 7930), (976, 6565), (1010, 6344), (1040, 6161), (1220, 5252), (1313, 4880), (1586, 4040), (1616, 3965), (2020, 3172), (2440, 2626)]