5198800

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:376

約数の個数: 60

約数和(自身を含む): 12835116

約数和(自身を除く): 7636316

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 317, 328, 400, 410, 634, 656, 820, 1025, 1268, 1585, 1640, 2050, 2536, 3170, 3280, 4100, 5072, 6340, 7925, 8200, 12680, 12997, 15850, 16400, 25360, 25994, 31700, 51988, 63400, 64985, 103976, 126800, 129970, 207952, 259940, 324925, 519880, 649850, 1039760, 1299700, 2599400, 5198800]

約数ペア:

[(1, 5198800), (2, 2599400), (4, 1299700), (5, 1039760), (8, 649850), (10, 519880), (16, 324925), (20, 259940), (25, 207952), (40, 129970), (41, 126800), (50, 103976), (80, 64985), (82, 63400), (100, 51988), (164, 31700), (200, 25994), (205, 25360), (317, 16400), (328, 15850), (400, 12997), (410, 12680), (634, 8200), (656, 7925), (820, 6340), (1025, 5072), (1268, 4100), (1585, 3280), (1640, 3170), (2050, 2536)]