3924880

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:775

約数の個数: 40

約数和(自身を含む): 9267264

約数和(自身を除く): 5342384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 691, 710, 1136, 1382, 1420, 2764, 2840, 3455, 5528, 5680, 6910, 11056, 13820, 27640, 49061, 55280, 98122, 196244, 245305, 392488, 490610, 784976, 981220, 1962440, 3924880]

約数ペア:

[(1, 3924880), (2, 1962440), (4, 981220), (5, 784976), (8, 490610), (10, 392488), (16, 245305), (20, 196244), (40, 98122), (71, 55280), (80, 49061), (142, 27640), (284, 13820), (355, 11056), (568, 6910), (691, 5680), (710, 5528), (1136, 3455), (1382, 2840), (1420, 2764)]