12553628890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{67489}}^1$

素因数の和:67615

約数の個数: 64

約数和(自身を含む): 26240112000

約数和(自身を除く): 13686483110

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 89, 95, 110, 178, 190, 209, 418, 445, 890, 979, 1045, 1691, 1958, 2090, 3382, 4895, 8455, 9790, 16910, 18601, 37202, 67489, 93005, 134978, 186010, 337445, 674890, 742379, 1282291, 1484758, 2564582, 3711895, 6006521, 6411455, 7423790, 12013042, 12822910, 14105201, 28210402, 30032605, 60065210, 66071731, 70526005, 114123899, 132143462, 141052010, 228247798, 330358655, 570619495, 660717310, 1141238990, 1255362889, 2510725778, 6276814445, 12553628890]

約数ペア:

[(1, 12553628890), (2, 6276814445), (5, 2510725778), (10, 1255362889), (11, 1141238990), (19, 660717310), (22, 570619495), (38, 330358655), (55, 228247798), (89, 141052010), (95, 132143462), (110, 114123899), (178, 70526005), (190, 66071731), (209, 60065210), (418, 30032605), (445, 28210402), (890, 14105201), (979, 12822910), (1045, 12013042), (1691, 7423790), (1958, 6411455), (2090, 6006521), (3382, 3711895), (4895, 2564582), (8455, 1484758), (9790, 1282291), (16910, 742379), (18601, 674890), (37202, 337445), (67489, 186010), (93005, 134978)]