2080585988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1\times {\mathrm{863}}^1$

素因数の和:1604

約数の個数: 48

約数和(自身を含む): 3987035136

約数和(自身を除く): 1906449148

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 653, 863, 923, 1306, 1726, 1846, 2612, 3452, 3692, 8489, 11219, 16978, 22438, 33956, 44876, 46363, 61273, 92726, 122546, 185452, 245092, 563539, 602719, 796549, 1127078, 1205438, 1593098, 2254156, 2410876, 3186196, 7326007, 14652014, 29304028, 40011269, 80022538, 160045076, 520146497, 1040292994, 2080585988]

約数ペア:

[(1, 2080585988), (2, 1040292994), (4, 520146497), (13, 160045076), (26, 80022538), (52, 40011269), (71, 29304028), (142, 14652014), (284, 7326007), (653, 3186196), (863, 2410876), (923, 2254156), (1306, 1593098), (1726, 1205438), (1846, 1127078), (2612, 796549), (3452, 602719), (3692, 563539), (8489, 245092), (11219, 185452), (16978, 122546), (22438, 92726), (33956, 61273), (44876, 46363)]