20211040

素因数分解:

$2^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2141}}^1$

素因数の和:2215

約数の個数: 48

約数和(自身を含む): 48580560

約数和(自身を除く): 28369520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 80, 118, 160, 236, 295, 472, 590, 944, 1180, 1888, 2141, 2360, 4282, 4720, 8564, 9440, 10705, 17128, 21410, 34256, 42820, 68512, 85640, 126319, 171280, 252638, 342560, 505276, 631595, 1010552, 1263190, 2021104, 2526380, 4042208, 5052760, 10105520, 20211040]

約数ペア:

[(1, 20211040), (2, 10105520), (4, 5052760), (5, 4042208), (8, 2526380), (10, 2021104), (16, 1263190), (20, 1010552), (32, 631595), (40, 505276), (59, 342560), (80, 252638), (118, 171280), (160, 126319), (236, 85640), (295, 68512), (472, 42820), (590, 34256), (944, 21410), (1180, 17128), (1888, 10705), (2141, 9440), (2360, 8564), (4282, 4720)]