25289460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20071}}^1$

素因数の和:20093

約数の個数: 72

約数和(自身を含む): 87674496

約数和(自身を除く): 62385036

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 20071, 40142, 60213, 80284, 100355, 120426, 140497, 180639, 200710, 240852, 280994, 301065, 361278, 401420, 421491, 561988, 602130, 702485, 722556, 842982, 903195, 1204260, 1264473, 1404970, 1685964, 1806390, 2107455, 2528946, 2809940, 3612780, 4214910, 5057892, 6322365, 8429820, 12644730, 25289460]

約数ペア:

[(1, 25289460), (2, 12644730), (3, 8429820), (4, 6322365), (5, 5057892), (6, 4214910), (7, 3612780), (9, 2809940), (10, 2528946), (12, 2107455), (14, 1806390), (15, 1685964), (18, 1404970), (20, 1264473), (21, 1204260), (28, 903195), (30, 842982), (35, 722556), (36, 702485), (42, 602130), (45, 561988), (60, 421491), (63, 401420), (70, 361278), (84, 301065), (90, 280994), (105, 240852), (126, 200710), (140, 180639), (180, 140497), (210, 120426), (252, 100355), (315, 80284), (420, 60213), (630, 40142), (1260, 20071)]