12755860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 29296512

約数和(自身を除く): 16540652

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 691, 710, 923, 1382, 1420, 1846, 2764, 3455, 3692, 4615, 6910, 8983, 9230, 13820, 17966, 18460, 35932, 44915, 49061, 89830, 98122, 179660, 196244, 245305, 490610, 637793, 981220, 1275586, 2551172, 3188965, 6377930, 12755860]

約数ペア:

[(1, 12755860), (2, 6377930), (4, 3188965), (5, 2551172), (10, 1275586), (13, 981220), (20, 637793), (26, 490610), (52, 245305), (65, 196244), (71, 179660), (130, 98122), (142, 89830), (260, 49061), (284, 44915), (355, 35932), (691, 18460), (710, 17966), (923, 13820), (1382, 9230), (1420, 8983), (1846, 6910), (2764, 4615), (3455, 3692)]