519880

素因数分解:

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

素因数の和:369

約数の個数: 32

約数和(自身を含む): 1202040

約数和(自身を除く): 682160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 317, 328, 410, 634, 820, 1268, 1585, 1640, 2536, 3170, 6340, 12680, 12997, 25994, 51988, 64985, 103976, 129970, 259940, 519880]

約数ペア:

[(1, 519880), (2, 259940), (4, 129970), (5, 103976), (8, 64985), (10, 51988), (20, 25994), (40, 12997), (41, 12680), (82, 6340), (164, 3170), (205, 2536), (317, 1640), (328, 1585), (410, 1268), (634, 820)]