4400240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4231}}^1$

素因数の和:4257

約数の個数: 40

約数和(自身を含む): 11020128

約数和(自身を除く): 6619888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 4231, 8462, 16924, 21155, 33848, 42310, 55003, 67696, 84620, 110006, 169240, 220012, 275015, 338480, 440024, 550030, 880048, 1100060, 2200120, 4400240]

約数ペア:

[(1, 4400240), (2, 2200120), (4, 1100060), (5, 880048), (8, 550030), (10, 440024), (13, 338480), (16, 275015), (20, 220012), (26, 169240), (40, 110006), (52, 84620), (65, 67696), (80, 55003), (104, 42310), (130, 33848), (208, 21155), (260, 16924), (520, 8462), (1040, 4231)]