51080380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{881}}^1$

素因数の和:1126

約数の個数: 48

約数和(自身を含む): 116169984

約数和(自身を除く): 65089604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 223, 260, 446, 881, 892, 1115, 1762, 2230, 2899, 3524, 4405, 4460, 5798, 8810, 11453, 11596, 14495, 17620, 22906, 28990, 45812, 57265, 57980, 114530, 196463, 229060, 392926, 785852, 982315, 1964630, 2554019, 3929260, 5108038, 10216076, 12770095, 25540190, 51080380]

約数ペア:

[(1, 51080380), (2, 25540190), (4, 12770095), (5, 10216076), (10, 5108038), (13, 3929260), (20, 2554019), (26, 1964630), (52, 982315), (65, 785852), (130, 392926), (223, 229060), (260, 196463), (446, 114530), (881, 57980), (892, 57265), (1115, 45812), (1762, 28990), (2230, 22906), (2899, 17620), (3524, 14495), (4405, 11596), (4460, 11453), (5798, 8810)]