10004000

素因数分解:

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

素因数の和:127

約数の個数: 96

約数和(自身を含む): 25592112

約数和(自身を除く): 15588112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 61, 80, 82, 100, 122, 125, 160, 164, 200, 205, 244, 250, 305, 328, 400, 410, 488, 500, 610, 656, 800, 820, 976, 1000, 1025, 1220, 1312, 1525, 1640, 1952, 2000, 2050, 2440, 2501, 3050, 3280, 4000, 4100, 4880, 5002, 5125, 6100, 6560, 7625, 8200, 9760, 10004, 10250, 12200, 12505, 15250, 16400, 20008, 20500, 24400, 25010, 30500, 32800, 40016, 41000, 48800, 50020, 61000, 62525, 80032, 82000, 100040, 122000, 125050, 164000, 200080, 244000, 250100, 312625, 400160, 500200, 625250, 1000400, 1250500, 2000800, 2501000, 5002000, 10004000]

約数ペア:

[(1, 10004000), (2, 5002000), (4, 2501000), (5, 2000800), (8, 1250500), (10, 1000400), (16, 625250), (20, 500200), (25, 400160), (32, 312625), (40, 250100), (41, 244000), (50, 200080), (61, 164000), (80, 125050), (82, 122000), (100, 100040), (122, 82000), (125, 80032), (160, 62525), (164, 61000), (200, 50020), (205, 48800), (244, 41000), (250, 40016), (305, 32800), (328, 30500), (400, 25010), (410, 24400), (488, 20500), (500, 20008), (610, 16400), (656, 15250), (800, 12505), (820, 12200), (976, 10250), (1000, 10004), (1025, 9760), (1220, 8200), (1312, 7625), (1525, 6560), (1640, 6100), (1952, 5125), (2000, 5002), (2050, 4880), (2440, 4100), (2501, 4000), (3050, 3280)]