4399960

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{347}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 9959760

約数和(自身を除く): 5559800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 347, 634, 694, 1268, 1388, 1585, 1735, 2536, 2776, 3170, 3470, 6340, 6940, 12680, 13880, 109999, 219998, 439996, 549995, 879992, 1099990, 2199980, 4399960]

約数ペア:

[(1, 4399960), (2, 2199980), (4, 1099990), (5, 879992), (8, 549995), (10, 439996), (20, 219998), (40, 109999), (317, 13880), (347, 12680), (634, 6940), (694, 6340), (1268, 3470), (1388, 3170), (1585, 2776), (1735, 2536)]