55481720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{28307}}^1$

素因数の和:28332

約数の個数: 48

約数和(自身を含む): 145220040

約数和(自身を除く): 89738320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 28307, 56614, 113228, 141535, 198149, 226456, 283070, 396298, 566140, 792596, 990745, 1132280, 1387043, 1585192, 1981490, 2774086, 3962980, 5548172, 6935215, 7925960, 11096344, 13870430, 27740860, 55481720]

約数ペア:

[(1, 55481720), (2, 27740860), (4, 13870430), (5, 11096344), (7, 7925960), (8, 6935215), (10, 5548172), (14, 3962980), (20, 2774086), (28, 1981490), (35, 1585192), (40, 1387043), (49, 1132280), (56, 990745), (70, 792596), (98, 566140), (140, 396298), (196, 283070), (245, 226456), (280, 198149), (392, 141535), (490, 113228), (980, 56614), (1960, 28307)]