12997000

素因数分解:

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

素因数の和:379

約数の個数: 64

約数和(自身を含む): 31253040

約数和(自身を除く): 18256040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 200, 205, 250, 317, 328, 410, 500, 634, 820, 1000, 1025, 1268, 1585, 1640, 2050, 2536, 3170, 4100, 5125, 6340, 7925, 8200, 10250, 12680, 12997, 15850, 20500, 25994, 31700, 39625, 41000, 51988, 63400, 64985, 79250, 103976, 129970, 158500, 259940, 317000, 324925, 519880, 649850, 1299700, 1624625, 2599400, 3249250, 6498500, 12997000]

約数ペア:

[(1, 12997000), (2, 6498500), (4, 3249250), (5, 2599400), (8, 1624625), (10, 1299700), (20, 649850), (25, 519880), (40, 324925), (41, 317000), (50, 259940), (82, 158500), (100, 129970), (125, 103976), (164, 79250), (200, 64985), (205, 63400), (250, 51988), (317, 41000), (328, 39625), (410, 31700), (500, 25994), (634, 20500), (820, 15850), (1000, 12997), (1025, 12680), (1268, 10250), (1585, 8200), (1640, 7925), (2050, 6340), (2536, 5125), (3170, 4100)]