5002000

素因数分解:

$2^4\times 5^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 80

約数和(自身を含む): 12592944

約数和(自身を除く): 7590944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 61, 80, 82, 100, 122, 125, 164, 200, 205, 244, 250, 305, 328, 400, 410, 488, 500, 610, 656, 820, 976, 1000, 1025, 1220, 1525, 1640, 2000, 2050, 2440, 2501, 3050, 3280, 4100, 4880, 5002, 5125, 6100, 7625, 8200, 10004, 10250, 12200, 12505, 15250, 16400, 20008, 20500, 24400, 25010, 30500, 40016, 41000, 50020, 61000, 62525, 82000, 100040, 122000, 125050, 200080, 250100, 312625, 500200, 625250, 1000400, 1250500, 2501000, 5002000]

約数ペア:

[(1, 5002000), (2, 2501000), (4, 1250500), (5, 1000400), (8, 625250), (10, 500200), (16, 312625), (20, 250100), (25, 200080), (40, 125050), (41, 122000), (50, 100040), (61, 82000), (80, 62525), (82, 61000), (100, 50020), (122, 41000), (125, 40016), (164, 30500), (200, 25010), (205, 24400), (244, 20500), (250, 20008), (305, 16400), (328, 15250), (400, 12505), (410, 12200), (488, 10250), (500, 10004), (610, 8200), (656, 7625), (820, 6100), (976, 5125), (1000, 5002), (1025, 4880), (1220, 4100), (1525, 3280), (1640, 3050), (2000, 2501), (2050, 2440)]