2017105040

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{64817}}^1$

素因数の和:65219

約数の個数: 40

約数和(自身を含む): 4701897720

約数和(自身を除く): 2684792680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 3112, 3890, 6224, 7780, 15560, 31120, 64817, 129634, 259268, 324085, 518536, 648170, 1037072, 1296340, 2592680, 5185360, 25213813, 50427626, 100855252, 126069065, 201710504, 252138130, 403421008, 504276260, 1008552520, 2017105040]

約数ペア:

[(1, 2017105040), (2, 1008552520), (4, 504276260), (5, 403421008), (8, 252138130), (10, 201710504), (16, 126069065), (20, 100855252), (40, 50427626), (80, 25213813), (389, 5185360), (778, 2592680), (1556, 1296340), (1945, 1037072), (3112, 648170), (3890, 518536), (6224, 324085), (7780, 259268), (15560, 129634), (31120, 64817)]