2040897985

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{68521}}^1$

素因数の和:68593

約数の個数: 32

約数和(自身を含む): 2999619072

約数和(自身を除く): 958721087

約数列:

[1, 5, 7, 23, 35, 37, 115, 161, 185, 259, 805, 851, 1295, 4255, 5957, 29785, 68521, 342605, 479647, 1575983, 2398235, 2535277, 7879915, 11031881, 12676385, 17746939, 55159405, 58311371, 88734695, 291556855, 408179597, 2040897985]

約数ペア:

[(1, 2040897985), (5, 408179597), (7, 291556855), (23, 88734695), (35, 58311371), (37, 55159405), (115, 17746939), (161, 12676385), (185, 11031881), (259, 7879915), (805, 2535277), (851, 2398235), (1295, 1575983), (4255, 479647), (5957, 342605), (29785, 68521)]