219036640

素因数分解:

$2^5\times 5^1\times {\mathrm{1368979}}^1$

素因数の和:1368994

約数の個数: 24

約数和(自身を含む): 517474440

約数和(自身を除く): 298437800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1368979, 2737958, 5475916, 6844895, 10951832, 13689790, 21903664, 27379580, 43807328, 54759160, 109518320, 219036640]

約数ペア:

[(1, 219036640), (2, 109518320), (4, 54759160), (5, 43807328), (8, 27379580), (10, 21903664), (16, 13689790), (20, 10951832), (32, 6844895), (40, 5475916), (80, 2737958), (160, 1368979)]