9839840

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{691}}^1$

素因数の和:795

約数の個数: 48

約数和(自身を含む): 23541840

約数和(自身を除く): 13702000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 691, 712, 890, 1382, 1424, 1780, 2764, 2848, 3455, 3560, 5528, 6910, 7120, 11056, 13820, 14240, 22112, 27640, 55280, 61499, 110560, 122998, 245996, 307495, 491992, 614990, 983984, 1229980, 1967968, 2459960, 4919920, 9839840]

約数ペア:

[(1, 9839840), (2, 4919920), (4, 2459960), (5, 1967968), (8, 1229980), (10, 983984), (16, 614990), (20, 491992), (32, 307495), (40, 245996), (80, 122998), (89, 110560), (160, 61499), (178, 55280), (356, 27640), (445, 22112), (691, 14240), (712, 13820), (890, 11056), (1382, 7120), (1424, 6910), (1780, 5528), (2764, 3560), (2848, 3455)]