39995504

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{953}}^1$

素因数の和:1065

約数の個数: 40

約数和(自身を含む): 80677872

約数和(自身を除く): 40682368

約数列:

[1, 2, 4, 8, 16, 43, 61, 86, 122, 172, 244, 344, 488, 688, 953, 976, 1906, 2623, 3812, 5246, 7624, 10492, 15248, 20984, 40979, 41968, 58133, 81958, 116266, 163916, 232532, 327832, 465064, 655664, 930128, 2499719, 4999438, 9998876, 19997752, 39995504]

約数ペア:

[(1, 39995504), (2, 19997752), (4, 9998876), (8, 4999438), (16, 2499719), (43, 930128), (61, 655664), (86, 465064), (122, 327832), (172, 232532), (244, 163916), (344, 116266), (488, 81958), (688, 58133), (953, 41968), (976, 40979), (1906, 20984), (2623, 15248), (3812, 10492), (5246, 7624)]