4212849920

素因数分解:

$2^8\times 5^1\times {\mathrm{647}}^1\times {\mathrm{5087}}^1$

素因数の和:5755

約数の個数: 72

約数和(自身を含む): 10108675584

約数和(自身を除く): 5895825664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 647, 1280, 1294, 2588, 3235, 5087, 5176, 6470, 10174, 10352, 12940, 20348, 20704, 25435, 25880, 40696, 41408, 50870, 51760, 81392, 82816, 101740, 103520, 162784, 165632, 203480, 207040, 325568, 406960, 414080, 651136, 813920, 828160, 1302272, 1627840, 3255680, 3291289, 6511360, 6582578, 13165156, 16456445, 26330312, 32912890, 52660624, 65825780, 105321248, 131651560, 210642496, 263303120, 421284992, 526606240, 842569984, 1053212480, 2106424960, 4212849920]

約数ペア:

[(1, 4212849920), (2, 2106424960), (4, 1053212480), (5, 842569984), (8, 526606240), (10, 421284992), (16, 263303120), (20, 210642496), (32, 131651560), (40, 105321248), (64, 65825780), (80, 52660624), (128, 32912890), (160, 26330312), (256, 16456445), (320, 13165156), (640, 6582578), (647, 6511360), (1280, 3291289), (1294, 3255680), (2588, 1627840), (3235, 1302272), (5087, 828160), (5176, 813920), (6470, 651136), (10174, 414080), (10352, 406960), (12940, 325568), (20348, 207040), (20704, 203480), (25435, 165632), (25880, 162784), (40696, 103520), (41408, 101740), (50870, 82816), (51760, 81392)]