202940720

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{35729}}^1$

素因数の和:35813

約数の個数: 40

約数和(自身を含む): 478496160

約数和(自身を除く): 275555440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 35729, 71458, 142916, 178645, 285832, 357290, 571664, 714580, 1429160, 2536759, 2858320, 5073518, 10147036, 12683795, 20294072, 25367590, 40588144, 50735180, 101470360, 202940720]

約数ペア:

[(1, 202940720), (2, 101470360), (4, 50735180), (5, 40588144), (8, 25367590), (10, 20294072), (16, 12683795), (20, 10147036), (40, 5073518), (71, 2858320), (80, 2536759), (142, 1429160), (284, 714580), (355, 571664), (568, 357290), (710, 285832), (1136, 178645), (1420, 142916), (2840, 71458), (5680, 35729)]