5389540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1091}}^1$

素因数の和:1132

約数の個数: 48

約数和(自身を含む): 12841920

約数和(自身を除く): 7452380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1091, 1235, 2182, 2470, 4364, 4940, 5455, 10910, 14183, 20729, 21820, 28366, 41458, 56732, 70915, 82916, 103645, 141830, 207290, 269477, 283660, 414580, 538954, 1077908, 1347385, 2694770, 5389540]

約数ペア:

[(1, 5389540), (2, 2694770), (4, 1347385), (5, 1077908), (10, 538954), (13, 414580), (19, 283660), (20, 269477), (26, 207290), (38, 141830), (52, 103645), (65, 82916), (76, 70915), (95, 56732), (130, 41458), (190, 28366), (247, 21820), (260, 20729), (380, 14183), (494, 10910), (988, 5455), (1091, 4940), (1235, 4364), (2182, 2470)]