66522160

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{9343}}^1$

素因数の和:9445

約数の個数: 40

約数和(自身を含む): 156418560

約数和(自身を除く): 89896400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 9343, 18686, 37372, 46715, 74744, 93430, 149488, 186860, 373720, 747440, 831527, 1663054, 3326108, 4157635, 6652216, 8315270, 13304432, 16630540, 33261080, 66522160]

約数ペア:

[(1, 66522160), (2, 33261080), (4, 16630540), (5, 13304432), (8, 8315270), (10, 6652216), (16, 4157635), (20, 3326108), (40, 1663054), (80, 831527), (89, 747440), (178, 373720), (356, 186860), (445, 149488), (712, 93430), (890, 74744), (1424, 46715), (1780, 37372), (3560, 18686), (7120, 9343)]