80032000

素因数分解:

$2^8\times 5^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:133

約数の個数: 144

約数和(自身を含む): 207580464

約数和(自身を除く): 127548464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 61, 64, 80, 82, 100, 122, 125, 128, 160, 164, 200, 205, 244, 250, 256, 305, 320, 328, 400, 410, 488, 500, 610, 640, 656, 800, 820, 976, 1000, 1025, 1220, 1280, 1312, 1525, 1600, 1640, 1952, 2000, 2050, 2440, 2501, 2624, 3050, 3200, 3280, 3904, 4000, 4100, 4880, 5002, 5125, 5248, 6100, 6400, 6560, 7625, 7808, 8000, 8200, 9760, 10004, 10250, 10496, 12200, 12505, 13120, 15250, 15616, 16000, 16400, 19520, 20008, 20500, 24400, 25010, 26240, 30500, 32000, 32800, 39040, 40016, 41000, 48800, 50020, 52480, 61000, 62525, 65600, 78080, 80032, 82000, 97600, 100040, 122000, 125050, 131200, 160064, 164000, 195200, 200080, 244000, 250100, 262400, 312625, 320128, 328000, 390400, 400160, 488000, 500200, 625250, 640256, 656000, 800320, 976000, 1000400, 1250500, 1312000, 1600640, 1952000, 2000800, 2501000, 3201280, 4001600, 5002000, 8003200, 10004000, 16006400, 20008000, 40016000, 80032000]

約数ペア:

[(1, 80032000), (2, 40016000), (4, 20008000), (5, 16006400), (8, 10004000), (10, 8003200), (16, 5002000), (20, 4001600), (25, 3201280), (32, 2501000), (40, 2000800), (41, 1952000), (50, 1600640), (61, 1312000), (64, 1250500), (80, 1000400), (82, 976000), (100, 800320), (122, 656000), (125, 640256), (128, 625250), (160, 500200), (164, 488000), (200, 400160), (205, 390400), (244, 328000), (250, 320128), (256, 312625), (305, 262400), (320, 250100), (328, 244000), (400, 200080), (410, 195200), (488, 164000), (500, 160064), (610, 131200), (640, 125050), (656, 122000), (800, 100040), (820, 97600), (976, 82000), (1000, 80032), (1025, 78080), (1220, 65600), (1280, 62525), (1312, 61000), (1525, 52480), (1600, 50020), (1640, 48800), (1952, 41000), (2000, 40016), (2050, 39040), (2440, 32800), (2501, 32000), (2624, 30500), (3050, 26240), (3200, 25010), (3280, 24400), (3904, 20500), (4000, 20008), (4100, 19520), (4880, 16400), (5002, 16000), (5125, 15616), (5248, 15250), (6100, 13120), (6400, 12505), (6560, 12200), (7625, 10496), (7808, 10250), (8000, 10004), (8200, 9760)]