260129090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{28183}}^1$

素因数の和:28274

約数の個数: 32

約数和(自身を含む): 511370496

約数和(自身を除く): 251241406

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 28183, 56366, 140915, 281830, 366379, 732758, 1831895, 2000993, 3663790, 4001986, 10004965, 20009930, 26012909, 52025818, 130064545, 260129090]

約数ペア:

[(1, 260129090), (2, 130064545), (5, 52025818), (10, 26012909), (13, 20009930), (26, 10004965), (65, 4001986), (71, 3663790), (130, 2000993), (142, 1831895), (355, 732758), (710, 366379), (923, 281830), (1846, 140915), (4615, 56366), (9230, 28183)]