80760428

素因数分解:

$2^2\times 7^2\times {\mathrm{631}}^1\times {\mathrm{653}}^1$

素因数の和:1302

約数の個数: 36

約数和(自身を含む): 164917872

約数和(自身を除く): 84157444

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 631, 653, 1262, 1306, 2524, 2612, 4417, 4571, 8834, 9142, 17668, 18284, 30919, 31997, 61838, 63994, 123676, 127988, 412043, 824086, 1648172, 2884301, 5768602, 11537204, 20190107, 40380214, 80760428]

約数ペア:

[(1, 80760428), (2, 40380214), (4, 20190107), (7, 11537204), (14, 5768602), (28, 2884301), (49, 1648172), (98, 824086), (196, 412043), (631, 127988), (653, 123676), (1262, 63994), (1306, 61838), (2524, 31997), (2612, 30919), (4417, 18284), (4571, 17668), (8834, 9142)]