4408820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 10311168

約数和(自身を除く): 5902348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 547, 620, 806, 1094, 1612, 2015, 2188, 2735, 4030, 5470, 7111, 8060, 10940, 14222, 16957, 28444, 33914, 35555, 67828, 71110, 84785, 142220, 169570, 220441, 339140, 440882, 881764, 1102205, 2204410, 4408820]

約数ペア:

[(1, 4408820), (2, 2204410), (4, 1102205), (5, 881764), (10, 440882), (13, 339140), (20, 220441), (26, 169570), (31, 142220), (52, 84785), (62, 71110), (65, 67828), (124, 35555), (130, 33914), (155, 28444), (260, 16957), (310, 14222), (403, 10940), (547, 8060), (620, 7111), (806, 5470), (1094, 4030), (1612, 2735), (2015, 2188)]