25979580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13121}}^1$

素因数の和:13147

約数の個数: 72

約数和(自身を含む): 85975344

約数和(自身を除く): 59995764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 13121, 26242, 39363, 52484, 65605, 78726, 118089, 131210, 144331, 157452, 196815, 236178, 262420, 288662, 393630, 432993, 472356, 577324, 590445, 721655, 787260, 865986, 1180890, 1298979, 1443310, 1731972, 2164965, 2361780, 2597958, 2886620, 4329930, 5195916, 6494895, 8659860, 12989790, 25979580]

約数ペア:

[(1, 25979580), (2, 12989790), (3, 8659860), (4, 6494895), (5, 5195916), (6, 4329930), (9, 2886620), (10, 2597958), (11, 2361780), (12, 2164965), (15, 1731972), (18, 1443310), (20, 1298979), (22, 1180890), (30, 865986), (33, 787260), (36, 721655), (44, 590445), (45, 577324), (55, 472356), (60, 432993), (66, 393630), (90, 288662), (99, 262420), (110, 236178), (132, 196815), (165, 157452), (180, 144331), (198, 131210), (220, 118089), (330, 78726), (396, 65605), (495, 52484), (660, 39363), (990, 26242), (1980, 13121)]