2599400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 6210540

約数和(自身を除く): 3611140

約数列:

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

約数ペア:

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