25143680

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2311}}^1$

素因数の和:2347

約数の個数: 64

約数和(自身を含む): 63672480

約数和(自身を除く): 38528800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2311, 2720, 4622, 5440, 9244, 10880, 11555, 18488, 23110, 36976, 39287, 46220, 73952, 78574, 92440, 147904, 157148, 184880, 196435, 295808, 314296, 369760, 392870, 628592, 739520, 785740, 1257184, 1479040, 1571480, 2514368, 3142960, 5028736, 6285920, 12571840, 25143680]

約数ペア:

[(1, 25143680), (2, 12571840), (4, 6285920), (5, 5028736), (8, 3142960), (10, 2514368), (16, 1571480), (17, 1479040), (20, 1257184), (32, 785740), (34, 739520), (40, 628592), (64, 392870), (68, 369760), (80, 314296), (85, 295808), (128, 196435), (136, 184880), (160, 157148), (170, 147904), (272, 92440), (320, 78574), (340, 73952), (544, 46220), (640, 39287), (680, 36976), (1088, 23110), (1360, 18488), (2176, 11555), (2311, 10880), (2720, 9244), (4622, 5440)]