3186640

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{653}}^1$

素因数の和:727

約数の個数: 40

約数和(自身を含む): 7541928

約数和(自身を除く): 4355288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 653, 976, 1220, 1306, 2440, 2612, 3265, 4880, 5224, 6530, 10448, 13060, 26120, 39833, 52240, 79666, 159332, 199165, 318664, 398330, 637328, 796660, 1593320, 3186640]

約数ペア:

[(1, 3186640), (2, 1593320), (4, 796660), (5, 637328), (8, 398330), (10, 318664), (16, 199165), (20, 159332), (40, 79666), (61, 52240), (80, 39833), (122, 26120), (244, 13060), (305, 10448), (488, 6530), (610, 5224), (653, 4880), (976, 3265), (1220, 2612), (1306, 2440)]