27849880

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7823}}^1$

素因数の和:7923

約数の個数: 32

約数和(自身を含む): 63374400

約数和(自身を除く): 35524520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 7823, 15646, 31292, 39115, 62584, 78230, 156460, 312920, 696247, 1392494, 2784988, 3481235, 5569976, 6962470, 13924940, 27849880]

約数ペア:

[(1, 27849880), (2, 13924940), (4, 6962470), (5, 5569976), (8, 3481235), (10, 2784988), (20, 1392494), (40, 696247), (89, 312920), (178, 156460), (356, 78230), (445, 62584), (712, 39115), (890, 31292), (1780, 15646), (3560, 7823)]