25081880

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1013}}^1$

素因数の和:1643

約数の個数: 32

約数和(自身を含む): 56581200

約数和(自身を除く): 31499320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 1013, 1238, 2026, 2476, 3095, 4052, 4952, 5065, 6190, 8104, 10130, 12380, 20260, 24760, 40520, 627047, 1254094, 2508188, 3135235, 5016376, 6270470, 12540940, 25081880]

約数ペア:

[(1, 25081880), (2, 12540940), (4, 6270470), (5, 5016376), (8, 3135235), (10, 2508188), (20, 1254094), (40, 627047), (619, 40520), (1013, 24760), (1238, 20260), (2026, 12380), (2476, 10130), (3095, 8104), (4052, 6190), (4952, 5065)]