50321680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 122563584

約数和(自身を除く): 72241904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 103, 124, 155, 197, 206, 248, 310, 394, 412, 496, 515, 620, 788, 824, 985, 1030, 1240, 1576, 1648, 1970, 2060, 2480, 3152, 3193, 3940, 4120, 6107, 6386, 7880, 8240, 12214, 12772, 15760, 15965, 20291, 24428, 25544, 30535, 31930, 40582, 48856, 51088, 61070, 63860, 81164, 97712, 101455, 122140, 127720, 162328, 202910, 244280, 255440, 324656, 405820, 488560, 629021, 811640, 1258042, 1623280, 2516084, 3145105, 5032168, 6290210, 10064336, 12580420, 25160840, 50321680]

約数ペア:

[(1, 50321680), (2, 25160840), (4, 12580420), (5, 10064336), (8, 6290210), (10, 5032168), (16, 3145105), (20, 2516084), (31, 1623280), (40, 1258042), (62, 811640), (80, 629021), (103, 488560), (124, 405820), (155, 324656), (197, 255440), (206, 244280), (248, 202910), (310, 162328), (394, 127720), (412, 122140), (496, 101455), (515, 97712), (620, 81164), (788, 63860), (824, 61070), (985, 51088), (1030, 48856), (1240, 40582), (1576, 31930), (1648, 30535), (1970, 25544), (2060, 24428), (2480, 20291), (3152, 15965), (3193, 15760), (3940, 12772), (4120, 12214), (6107, 8240), (6386, 7880)]