25197880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 60264000

約数和(自身を除く): 35066120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 230, 244, 305, 449, 460, 488, 610, 898, 920, 1220, 1403, 1796, 2245, 2440, 2806, 3592, 4490, 5612, 7015, 8980, 10327, 11224, 14030, 17960, 20654, 27389, 28060, 41308, 51635, 54778, 56120, 82616, 103270, 109556, 136945, 206540, 219112, 273890, 413080, 547780, 629947, 1095560, 1259894, 2519788, 3149735, 5039576, 6299470, 12598940, 25197880]

約数ペア:

[(1, 25197880), (2, 12598940), (4, 6299470), (5, 5039576), (8, 3149735), (10, 2519788), (20, 1259894), (23, 1095560), (40, 629947), (46, 547780), (61, 413080), (92, 273890), (115, 219112), (122, 206540), (184, 136945), (230, 109556), (244, 103270), (305, 82616), (449, 56120), (460, 54778), (488, 51635), (610, 41308), (898, 28060), (920, 27389), (1220, 20654), (1403, 17960), (1796, 14030), (2245, 11224), (2440, 10327), (2806, 8980), (3592, 7015), (4490, 5612)]