4639960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8923}}^1$

素因数の和:8947

約数の個数: 32

約数和(自身を含む): 11244240

約数和(自身を除く): 6604280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 8923, 17846, 35692, 44615, 71384, 89230, 115999, 178460, 231998, 356920, 463996, 579995, 927992, 1159990, 2319980, 4639960]

約数ペア:

[(1, 4639960), (2, 2319980), (4, 1159990), (5, 927992), (8, 579995), (10, 463996), (13, 356920), (20, 231998), (26, 178460), (40, 115999), (52, 89230), (65, 71384), (104, 44615), (130, 35692), (260, 17846), (520, 8923)]