4040816720

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1\times {\mathrm{2269}}^1$

素因数の和:2592

約数の個数: 80

約数和(自身を含む): 9530349840

約数和(自身を除く): 5489533120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 197, 226, 394, 452, 565, 788, 904, 985, 1130, 1576, 1808, 1970, 2260, 2269, 3152, 3940, 4520, 4538, 7880, 9040, 9076, 11345, 15760, 18152, 22261, 22690, 36304, 44522, 45380, 89044, 90760, 111305, 178088, 181520, 222610, 256397, 356176, 445220, 446993, 512794, 890440, 893986, 1025588, 1281985, 1780880, 1787972, 2051176, 2234965, 2563970, 3575944, 4102352, 4469930, 5127940, 7151888, 8939860, 10255880, 17879720, 20511760, 35759440, 50510209, 101020418, 202040836, 252551045, 404081672, 505102090, 808163344, 1010204180, 2020408360, 4040816720]

約数ペア:

[(1, 4040816720), (2, 2020408360), (4, 1010204180), (5, 808163344), (8, 505102090), (10, 404081672), (16, 252551045), (20, 202040836), (40, 101020418), (80, 50510209), (113, 35759440), (197, 20511760), (226, 17879720), (394, 10255880), (452, 8939860), (565, 7151888), (788, 5127940), (904, 4469930), (985, 4102352), (1130, 3575944), (1576, 2563970), (1808, 2234965), (1970, 2051176), (2260, 1787972), (2269, 1780880), (3152, 1281985), (3940, 1025588), (4520, 893986), (4538, 890440), (7880, 512794), (9040, 446993), (9076, 445220), (11345, 356176), (15760, 256397), (18152, 222610), (22261, 181520), (22690, 178088), (36304, 111305), (44522, 90760), (45380, 89044)]