3421720

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{653}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 7769520

約数和(自身を除く): 4347800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 653, 655, 1048, 1306, 1310, 2612, 2620, 3265, 5224, 5240, 6530, 13060, 26120, 85543, 171086, 342172, 427715, 684344, 855430, 1710860, 3421720]

約数ペア:

[(1, 3421720), (2, 1710860), (4, 855430), (5, 684344), (8, 427715), (10, 342172), (20, 171086), (40, 85543), (131, 26120), (262, 13060), (524, 6530), (653, 5240), (655, 5224), (1048, 3265), (1306, 2620), (1310, 2612)]