28650400

素因数分解:

$2^5\times 5^2\times {\mathrm{59}}^1\times {\mathrm{607}}^1$

素因数の和:686

約数の個数: 72

約数和(自身を含む): 71245440

約数和(自身を除く): 42595040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 59, 80, 100, 118, 160, 200, 236, 295, 400, 472, 590, 607, 800, 944, 1180, 1214, 1475, 1888, 2360, 2428, 2950, 3035, 4720, 4856, 5900, 6070, 9440, 9712, 11800, 12140, 15175, 19424, 23600, 24280, 30350, 35813, 47200, 48560, 60700, 71626, 97120, 121400, 143252, 179065, 242800, 286504, 358130, 485600, 573008, 716260, 895325, 1146016, 1432520, 1790650, 2865040, 3581300, 5730080, 7162600, 14325200, 28650400]

約数ペア:

[(1, 28650400), (2, 14325200), (4, 7162600), (5, 5730080), (8, 3581300), (10, 2865040), (16, 1790650), (20, 1432520), (25, 1146016), (32, 895325), (40, 716260), (50, 573008), (59, 485600), (80, 358130), (100, 286504), (118, 242800), (160, 179065), (200, 143252), (236, 121400), (295, 97120), (400, 71626), (472, 60700), (590, 48560), (607, 47200), (800, 35813), (944, 30350), (1180, 24280), (1214, 23600), (1475, 19424), (1888, 15175), (2360, 12140), (2428, 11800), (2950, 9712), (3035, 9440), (4720, 6070), (4856, 5900)]