55263880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197371}}^1$

素因数の和:197389

約数の個数: 32

約数和(自身を含む): 142107840

約数和(自身を除く): 86843960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 197371, 394742, 789484, 986855, 1381597, 1578968, 1973710, 2763194, 3947420, 5526388, 6907985, 7894840, 11052776, 13815970, 27631940, 55263880]

約数ペア:

[(1, 55263880), (2, 27631940), (4, 13815970), (5, 11052776), (7, 7894840), (8, 6907985), (10, 5526388), (14, 3947420), (20, 2763194), (28, 1973710), (35, 1578968), (40, 1381597), (56, 986855), (70, 789484), (140, 394742), (280, 197371)]